Practice Test


Q1) Statistics is derived from the Latin word Show Answer


Q2) Statistics is derived from the French word Show Answer


Q3) Statistics is derived from the German Show Answer


Q4) Statistics is derived from the Italian word Show Answer


Q5) In singular sense Statistics is defined as Show Answer


Q6) In plural sense Statistics is defined as Show Answer


Q7) Kautilya had kept record of births and deaths in his famous book Show Answer


Q8) Econometrics is deal with Show Answer


Q9) In decision making process the quantitative techniques used are a combination of Show Answer


Q10) Statistical method employed in commerce and industry are Show Answer


Q11) Statistics is more focused on aggregate than individual Show Answer


Q12) Statistics is concerned more with quantitative data than with qualitative data Show Answer


Q13) Data is usually defined as Show Answer


Q14) For Statistical analysis qualitative information is usually converted into quantitative information. Show Answer


Q15) Numerical data is referred to as Show Answer


Q16) Variate may be Show Answer


Q17) Qualitative data is called as Show Answer


Q18) Number of absentees is a Show Answer


Q19) Qualitative data may be Show Answer


Q20) Sex of a person Show Answer


Q21) Colour of dress is Show Answer


Q22) Marks in maths obtained by students in HSC exam is Show Answer


Q23) Sales of cement manufacturing companies is Show Answer


Q24) Height in cms is Show Answer


Q25) Possible number of heads when a coin is tossed ten times is Show Answer


Q26) Number of tyre bursting is Show Answer


Q27) Income distribution is Show Answer


Q28) Nationality is Show Answer


Q29) Intelligence/ I.Q. is a Show Answer


Q30) Data collection for the first time is called Show Answer


Q31) If a person uses data already collected then it is called as Show Answer


Q32) Personal interview is a method used to collect Show Answer


Q33) Report on an epidemic from WHO is Show Answer


Q34) In case of earthquake the best method is to collect data is Show Answer


Q35) In case of some difficulty in reaching the respondents directly the best method to collect data is Show Answer


Q36) In _________ method the data is collected from the person in connection with the problem Show Answer


Q37) The most economical and quickest method to collect primary data is Show Answer


Q38) Method which is likely to face maximum non-responses Show Answer


Q39) Method which is most time consuming and ladorious is Show Answer


Q40) The principal of a collects information of the marks obtained by the students from their class teachers Show Answer


Q41) A railway ticket supervisor examines the tickets and passes of the passenger to find number of persons traveling without ticket Show Answer


Q42) The principal of a collects information of the marks obtained by the students from their class teachers and the data for the class teacher is Show Answer


Q43) Data on the income tax rates is Show Answer


Q44) Scrutiny of data collected refers to Show Answer


Q45) The process of arranging data on some basis into various group is called Show Answer


Q46) Statistical analysis can be done even when the data is not classified Show Answer


Q47) The classification on the basis of region is called Show Answer


Q48) Classification on the basis of time is called Show Answer


Q49) Classification on the basis of an attribute is called Show Answer


Q50) Classification on the basis of a variable is called Show Answer


Q51) Qualitative and quantitative data belong to Show Answer


Q52) Temporal and spatial data belong to Show Answer


Q53) The different ways of presenting data includes Show Answer


Q54) The method of presentation least used by Statistician is Show Answer


Q55) The most dull and monotonous method in which comparison is not possible Show Answer


Q56) Columns and sub-column heading are called Show Answer


Q57) Row headings are called Show Answer


Q58) The upper part of the table which includes captions with units of measurements Show Answer


Q59) Information about sources of data is described in Show Answer


Q60) Tabulation is a must for diagrammatic presentation Show Answer


Q61) The most popular method of presentation easily understood by literates and illiterates is Show Answer


Q62) For the purpose of finding any hidden trend the method of presentation preferred is Show Answer


Q63) If accuracy in presentation is more important then the method of presentation preferred is Show Answer


Q64) For representating two or more related time series data expressed in the same units __________ is used Show Answer


Q65) For representating two or more related time series data expressed in the different units __________ is used Show Answer


Q66) Horizontal bar diagram is used for Show Answer


Q67) Vertical bar diagram is used for Show Answer


Q68) __________ diagram is used to compare related series Show Answer


Q69) Instead of divided bar charts or percentage bar diagrams, ______ can be used. Show Answer


Q70) Circle diagram is not the same as pie chart Show Answer


Q71) A tabular representation of Statistical data in ascending order related to a particular measurable characteristic on individual basis or group wise is called Show Answer


Q72) In case of non-overlapping class intervals the class boundaries coincide with the class limits. Show Answer


Q73) In case of overlapping class intervals the class boundaries coincide with the class limits. Show Answer


Q74) When the class intervals are 10-19, 20-29, 30-39; Upper class boundaries (UCB) and Upper class limits (UCL) of the 2nd class interval are Show Answer


Q75) The class mark of the C.I. 10-20, 20-30, 30-40 are Show Answer


Q76) The class mark of the C.I.'s 10-19, 20-29, 30-39 are Show Answer


Q77) Graphical representation of frequency distribution is done with Show Answer


Q78) For histogram the class limits should be converted into class boundaries Show Answer


Q79) In case of histogram when the length of the class intervals are not equal then _________ is taken Show Answer


Q80) _________ is regarded as a limiting form of __________ Show Answer


Q81) Ogives are used to obtain __________ graphically. Show Answer


Q82) Ogives are used to obtain _________ graphically Show Answer


Q83) ________ is a free hand curve Show Answer


Q84) Maximum types of frequency curves are Show Answer


Q85) When the curves starts with a minimum frequency and then gradually reaches its maximum frequency at the other extremely is called Show Answer


Q86) When the curves starts with a minimum frequency and then gradually reaches its maximum some where at the central part and then decreases to reach its lowest at the other extremity is called Show Answer


Q87) When the curve is minimum at the central part and its maximum at the two extremities is called Show Answer


Q88) Frequency curve is a limiting form of Show Answer


Q89) The distribution BSE sensex index no will have frequency curve in the form of Show Answer


Q90) Choose the best alternative for the following :
The data of life-times of 60-watt bulbs will be a Show Answer


Q91) Choose the best alternative for the following :
The data on party affiliation of a set of people will be of Show Answer


Q92) When a number of classes of measurements are listed along with an indication of the frequency of observed measurements, falling with in each class, the listing is called a: Show Answer


Q93) The data that have been entered in a frequency distribution are considered to be Show Answer


Q94) Following are the days attended by 50 students during the first semester in a college. Make a frequency table such that one of the classes should be 60-70. Find the less than class frequency.
70, 45, 33, 65, 50, 25, 65, 75, 30, 20, 55, 60, 65, 58, 52, 36, 45, 42, 35, 40, 51, 47, 39, 61, 53, 59, 49, 41, 15, 53, 42, 63, 82, 65, 45, 63, 54, 52, 48, 46, 57, 53, 55, 42, 45, 39, 64, 35, 26, 18 Show Answer


Q95) Following are the days attended by 50 students during the first semester in a college. Make a frequency table such that one of the classes should be 60-70. Find the more than class frequency.
70, 45, 33, 65, 50, 25, 65, 75, 30, 20, 55, 60, 65, 58, 52, 36, 45, 42, 35, 40, 51, 47, 39, 61, 53, 59, 49, 41, 15, 53, 42, 63, 82, 65, 45, 63, 54, 52, 48, 46, 57, 53, 55, 42, 45, 39, 64, 35, 26, 18 Show Answer


Q96) Following are the days attended by 50 students during the first semester in a college. Make a frequency table such that one of the classes should be 60-70. Find the relative frequency.
70, 45, 33, 65, 50, 25, 65, 75, 30, 20, 55, 60, 65, 58, 52, 36, 45, 42, 35, 40, 51, 47, 39, 61, 53, 59, 49, 41, 15, 53, 42, 63, 82, 65, 45, 63, 54, 52, 48, 46, 57, 53, 55, 42, 45, 39, 64, 35, 26, 18 Show Answer


Q97) Following are the days attended by 50 students during the first semester in a college. Make a frequency table such that one of the classes should be 60-70. Find the frequency density.
70, 45, 33, 65, 50, 25, 65, 75, 30, 20, 55, 60, 65, 58, 52, 36, 45, 42, 35, 40, 51, 47, 39, 61, 53, 59, 49, 41, 15, 53, 42, 63, 82, 65, 45, 63, 54, 52, 48, 46, 57, 53, 55, 42, 45, 39, 64, 35, 26, 18 Show Answer


Q98) Following are the days attended by 50 students during the first semester in a college. Make a frequency table such that one of the classes should be 60-70. Find the percentage frequencies.
70, 45, 33, 65, 50, 25, 65, 75, 30, 20, 55, 60, 65, 58, 52, 36, 45, 42, 35, 40, 51, 47, 39, 61, 53, 59, 49, 41, 15, 53, 42, 63, 82, 65, 45, 63, 54, 52, 48, 46, 57, 53, 55, 42, 45, 39, 64, 35, 26, 18 Show Answer


Q99) Following are the days attended by 50 students during the first semester in a college. Make a frequency table such that one of the classes should be 60-70. Find the number of students who have attended for less than 60 days are
70, 45, 33, 65, 50, 25, 65, 75, 30, 20, 55, 60, 65, 58, 52, 36, 45, 42, 35, 40, 51, 47, 39, 61, 53, 59, 49, 41, 15, 53, 42, 63, 82, 65, 45, 63, 54, 52, 48, 46, 57, 53, 55, 42, 45, 39, 64, 35, 26, 18 Show Answer


Q100) Following are the days attended by 50 students during the first semester in a college. Make a frequency table such that one of the classes should be 60-70. Find the number of students who have attended for more than 80 days are
70, 45, 33, 65, 50, 25, 65, 75, 30, 20, 55, 60, 65, 58, 52, 36, 45, 42, 35, 40, 51, 47, 39, 61, 53, 59, 49, 41, 15, 53, 42, 63, 82, 65, 45, 63, 54, 52, 48, 46, 57, 53, 55, 42, 45, 39, 64, 35, 26, 18 Show Answer


Q101) Following are the days attended by 50 students during the first semester in a college. Make a frequency table such that one of the classes should be 60-70. Find the number of students who have attended between 20-50 days are
70, 45, 33, 65, 50, 25, 65, 75, 30, 20, 55, 60, 65, 58, 52, 36, 45, 42, 35, 40, 51, 47, 39, 61, 53, 59, 49, 41, 15, 53, 42, 63, 82, 65, 45, 63, 54, 52, 48, 46, 57, 53, 55, 42, 45, 39, 64, 35, 26, 18 Show Answer


Q102) Exhibit the following data in a suitable form:
Exactly a fifth of the number of students in a university of strength 20,000 are ladies, 33 of every 40 students are Maharashtrians, 13 out of every 16 gents are Maharashtrians gents, 40% of non-Maharashtrians gents and 55% Maharastrians get have offered Arts subjects, whereas 40% of ladies from Maharashtra and equal percentage of non-Maharashtrians ladies have offered Science subjects. Find the number of Maharashtrians. Show Answer


Q103) Exhibit the following data in a suitable form:
Exactly a fifth of the number of students in a university of strength 20,000 are ladies, 33 of every 40 students are Maharashtrians, 13 out of every 16 gents are Maharashtrians gents, 40% of non-Maharashtrians gents and 55% Maharastrians get have offered Arts subjects, whereas 40% of ladies from Maharashtra and equal percentage of non-Maharashtrians ladies have offered Science subjects. Find the number of non-Maharashtrians gents studying arts Show Answer


Q104) Exhibit the following data in a suitable form:
Exactly a fifth of the number of students in a university of strength 20,000 are ladies, 33 of every 40 students are Maharashtrians, 13 out of every 16 gents are Maharashtrians gents, 40% of non-Maharashtrians gents and 55% Maharastrians get have offered Arts subjects, whereas 40% of ladies from Maharashtra and equal percentage of non-Maharashtrians ladies have offered Science subjects. Find the number of non-Maharashtrians ladies studying science Show Answer


Q105) Candidate appearing at the F.Y.commerce Examination can offer English at either the higher level or at the lower level. They have to offer Elements of Government or Mathematics as an option subject. Out of 1000 candidate from college A, 50% have offered English at the higher level, 80% of the candidate with English at the lower level have offered Mathematics while the different between number of candidate offering Mathematics and offering Elements of Government in the entire college is 600. In college B from, from which 1500 candidates have appeared equal numbers, have offered elements of Government and Mathematics. The number of candidate with the combination English at the higher level and Mathematics is 200 which are 25% of the number offering English at the lower level. Find the number of students opting for English lower level and elements of governments. Show Answer


Q106) Candidate appearing at the F.Y.commerce Examination can offer English at either the higher level or at the lower level. They have to offer Elements of Government or Mathematics as an option subject. Out of 1000 candidate from college A, 50% have offered English at the higher level, 80% of the candidate with English at the lower level have offered Mathematics while the different between number of candidate offering Mathematics and offering Elements of Government in the entire college is 600. In college B from, from which 1500 candidates have appeared equal numbers, have offered elements of Government and Mathematics. The number of candidate with the combination English at the higher level and Mathematics is 200 which are 25% of the number offering English at the lower level. Find the number of students opting for English higher level and Maths. Show Answer


Q107) Candidate appearing at the F.Y.commerce Examination can offer English at either the higher level or at the lower level. They have to offer Elements of Government or Mathematics as an option subject. Out of 1000 candidate from college A, 50% have offered English at the higher level, 80% of the candidate with English at the lower level have offered Mathematics while the different between number of candidate offering Mathematics and offering Elements of Government in the entire college is 600. In college B from, from which 1500 candidates have appeared equal numbers, have offered elements of Government and Mathematics. The number of candidate with the combination English at the higher level and Mathematics is 200 which are 25% of the number offering English at the lower level. Find the number of students opting for elements of governments. Show Answer


Q108) Candidate appearing at the F.Y.commerce Examination can offer English at either the higher level or at the lower level. They have to offer Elements of Government or Mathematics as an option subject. Out of 1000 candidate from college A, 50% have offered English at the higher level, 80% of the candidate with English at the lower level have offered Mathematics while the different between number of candidate offering Mathematics and offering Elements of Government in the entire college is 600. In college B from, from which 1500 candidates have appeared equal numbers, have offered elements of Government and Mathematics. The number of candidate with the combination English at the higher level and Mathematics is 200 which are 25% of the number offering English at the lower level. Find the number of students opting for English higher level and elements of governments. Show Answer


Q109) A survey of 370 students from commerce faculty and 130 students from science faculty revealed that 300 students were studying for C.A. and 200 for part time management courses. The number of students from commerce faculty studying for C.A. was 210 and that studying for managements courses was 160. The total No. of boys studying for C.A. was 200 of which 150 were from commerce faculty. The number of girls from science faculty studying for management course was 12.5% of the total number of students studying for management courses. Twice as many boys from commerce faculty were studying for management courses. Find the number of boys studying C.A. from science faculty. Show Answer


Q110) A survey of 370 students from commerce faculty and 130 students from science faculty revealed that 300 students were studying for C.A. and 200 for part time management courses. The number of students from commerce faculty studying for C.A. was 210 and that studying for managements courses was 160. The total No. of boys studying for C.A. was 200 of which 150 were from commerce faculty. The number of girls from science faculty studying for management course was 12.5% of the total number of students studying for management courses. Twice as many boys from commerce faculty were studying for management courses. Find the number of girls from science faculty studying management. Show Answer


Q111) A survey of 370 students from commerce faculty and 130 students from science faculty revealed that 300 students were studying for C.A. and 200 for part time management courses. The number of students from commerce faculty studying for C.A. was 210 and that studying for managements courses was 160. The total No. of boys studying for C.A. was 200 of which 150 were from commerce faculty. The number of girls from science faculty studying for management course was 12.5% of the total number of students studying for management courses. Twice as many boys from commerce faculty were studying for management courses. Find the number of boys from commerce faculty studying management. Show Answer


Q112) A survey of 370 students from commerce faculty and 130 students from science faculty revealed that 300 students were studying for C.A. and 200 for part time management courses. The number of students from commerce faculty studying for C.A. was 210 and that studying for managements courses was 160. The total No. of boys studying for C.A. was 200 of which 150 were from commerce faculty. The number of girls from science faculty studying for management course was 12.5% of the total number of students studying for management courses. Twice as many boys from commerce faculty were studying for management courses. Find the number of students from science faculty studying C.A. Show Answer


Q113) Statistical is used in the field of commerce and industry Show Answer


Q114) Which of the following is correct? Show Answer


Q115) Statistics is applied in Show Answer


Q116) A good estimator posses the following property Show Answer


Q117) In audit test statistical methods are not used Show Answer


Q118) Statistics is concerned with Show Answer


Q119) Which of the following statements is false? Show Answer


Q120) Statistics is defined in terms of numerical data in Show Answer


Q121) When the data are classified in respect of successive time points, they are known as Show Answer


Q122) An Attribute is Show Answer


Q123) Nationality of a student is Show Answer


Q124) The colour of a flower is an example of Show Answer


Q125) A quantitative characteristic is known as Show Answer


Q126) Annual income of a person is Show Answer


Q127) Marks of a student is an example of Show Answer


Q128) The distribution of profits of a blue-chip company relates to Show Answer


Q129) The distribution of shares is an example of the frequency distribution of Show Answer


Q130) The data collected on the height of a group of students after recording their heights with a measuring tape are Show Answer


Q131) Methods that are employed for the collection of primary data Show Answer


Q132) The quickest method to collect primary data is Show Answer


Q133) The best method to collect data, in case of a natural calamity, is Show Answer


Q134) In case of a rail accident, the appropriate method of data collection is by Show Answer


Q135) Which method of data collection covers the widest area? Show Answer


Q136) In ______ method(s) information can be gathered by the researcher himself by contracting the interviewee. Show Answer


Q137) The amount of non responses is likely to be maximum in ______ method of collecting data. Show Answer


Q138) Some important sources of secondary data are Show Answer


Q139) Data collected on religion from the census reports are Show Answer


Q140) The data are known to be ______ if the data, as being already collected, are used by a different person or agency. Show Answer


Q141) Internal consistency of the collected data can be checked when Show Answer


Q142) The mode of presentation of data are Show Answer


Q143) This method presents data with the help of a paragraph or a number of paragraphs. Show Answer


Q144) Different modes of presentation of data are ______. Show Answer


Q145) The best method of presentation of data is Show Answer


Q146) The most accurate mode of data presentation is Show Answer


Q147) In general the number of types of tabulation are Show Answer


Q148) For tabulation, 'caption' is Show Answer


Q149) The entire upper part of a table is known as Show Answer


Q150) The unit of measurement in tabulation is shown in Show Answer


Q151) "Stub" of a table is the Show Answer


Q152) In tabulation source of the data, if any, is shown in the Show Answer


Q153) Which of the following statements is untrue for tabulation? Show Answer


Q154) The most attractive method of data presentation is Show Answer


Q155) Diagrammatic representation of data is done by Show Answer


Q156) Hidden trend, if any, in the data can be noticed in Show Answer


Q157) Graph is a Show Answer


Q158) The relationship between two variables are shown in Show Answer


Q159) The chart that uses logarithm of the variable is known as Show Answer


Q160) Multiple line chart is applied for Show Answer


Q161) Vertical bar diagram is applicable when Show Answer


Q162) In order to compare two or more related series, we consider Show Answer


Q163) Divided bar chart is considered for Show Answer


Q164) Pie-diagram is used for Show Answer


Q165) A frequency distribution Show Answer


Q166) The no. of observations falling within a class is called Show Answer


Q167) Weights are generally called Show Answer


Q168) The frequency distribution of a continuous variable is known as Show Answer


Q169) Classes of equal width are generally preferred in the construction of a Show Answer


Q170) Classes with zero frequencies are called Show Answer


Q171) For determining the class frequencies it is necessary that these classes are Show Answer


Q172) Mutually exclusive classification Show Answer


Q173) The class limit & class boundary are same for Show Answer


Q174) Mutually exclusive classification is usually meant for Show Answer


Q175) Mutually inclusive classification is usually meant for Show Answer


Q176) Profits made by XYZ bank in different years refers to______. Show Answer


Q177) The lower extreme point of a class is called Show Answer


Q178) The LCB is Show Answer


Q179) Length of a class is Show Answer


Q180) Upper boundary of any class coincides with the lower boundary of the next class Show Answer


Q181) Excepting the first and the last, all other class boundaries lie midway between the upper limit of a class and the lower limit of the next higher class Show Answer


Q182) If the width of each of ten classes in a frequency distribution is 2.5 and the lower class boundary of the lowest class is 5.1, then the upper class boundary of the highest class is Show Answer


Q183) A representative value of the class interval for the calculation of mean, standard deviation, mean deviation etc. is Show Answer


Q184) The value exactly at the middle of a class interval is called Show Answer


Q185) The class mark of the class interval (a-b) is s Show Answer


Q186) For the overlapping classes 0-10, 10- 20, 20-30, 30-40 etc., the class mark of the class (10-20) is Show Answer


Q187) For the overlapping classes 0-10, 10-20 , 20-30 etc., the class mark of the class 0-10 is Show Answer


Q188) For the non - overlapping classes 0-9, 10- 19, 20- 29, 30-39 etc., the class mark of the class 0-9 is Show Answer


Q189) For the non-overlapping classes 0 -19, 20 -39, 40 - 59 the class mark of the class 0 -19 is Show Answer


Q190) Most extreme values which would ever be included in a class interval are called Show Answer


Q191) When one end of class is not specified, the class is called Show Answer


Q192) Difference between the lower and the upper class boundaries is Show Answer


Q193) In the construction of a frequency distribution, it is generally preferable to have classes of Show Answer


Q194) Class boundaries should be considered to be real limits for the class interval Show Answer


Q195) Cumulative frequency distribution is a Show Answer


Q196) The number of types of cumulative frequency is Show Answer


Q197) For a particular class boundary, the less than cumulative frequency and more than cumulative frequency add up to Show Answer


Q198) To find the number of observations less than any given value Show Answer


Q199) 'Cumulative frequency' only refers to the Show Answer


Q200) Class frequency) / (Width of the class) is defined as Show Answer


Q201) Frequency density corresponding to class interval is the ratio of Show Answer


Q202) Tally marks determines Show Answer


Q203) Relative frequency for a particular class Show Answer


Q204) The most common form of diagrammatic representation of a grouped frequency distribution is Show Answer


Q205) Frequency density is used in the construction of Show Answer


Q206) Mode of a distribution can be obtained form Show Answer


Q207) A comparison among the class frequencies is possible only in Show Answer


Q208) An area diagram is Show Answer


Q209) Vertical bar chart may appear somewhat alike Show Answer


Q210) The breadth of the rectangle is equal to the length of the class-interval in Show Answer


Q211) Classes are taken overlapping in Show Answer


Q212) Consecutive rectangles in a have no space in between Show Answer


Q213) When all classes have equal width, the heights of the rectangles in histogram will be numerically equal to the Show Answer


Q214) Histogram emphasizes the widths of rectangles between the class boundaries. Show Answer


Q215) In histogram if the classes are of unequal width then the heights of the rectangles must be proportional to the frequency densities. Show Answer


Q216) Frequency Polygon is used when all classes have a - Show Answer


Q217) An approximate idea of the shape of frequency curve is given by Show Answer


Q218) In representing simple frequency distributions of a discrete variable Show Answer


Q219) When the width of all classes is same, frequency polygon has not the same area as the histogram Show Answer


Q220) For obtaining frequency polygon we joint the successive points whose ordinate represent the corresponding class frequency Show Answer


Q221) An Ogive can be prepared in ___ different ways Show Answer


Q222) The graphical representation of a cumulative frequency distribution is called Show Answer


Q223) Ogive is a Show Answer


Q224) Median of a distribution can be obtained from Show Answer


Q225) The curve obtained by joining the points, whose x- coordinates are the upper limits of the class-intervals and y coordinates cumulative frequencies is called Show Answer


Q226) "The less than Ogive" is a Show Answer


Q227) Unequal widths of classes in the frequency distribution do not cause any difficulty in the construction of Show Answer


Q228) Most of the commonly used frequency curves are Show Answer


Q229) The distribution of profits of a company follows Show Answer


Q230) Histogram is used for the presentation of the following type of series: Show Answer


Q231) For construction of Histogram the Class intervals of frequency Distribution is Show Answer


Q232) Out of 1000 persons, 25 percent were industrial workers and the rest were agricultural workers. 300 persons enjoyed world cup matches on TV. 30 per cent of the people who had not watched world cup matches were industrial workers. What is the number of agricultural workers who had enjoyed world cup matches on TV? Show Answer


Q233) A sample study of the people of an area revealed that total numbers of women were 40% and the percentage of coffee drinkers were 45 as a whole and the percentage of male coffee drinkers was 20. What was the percentage of female non-coffee drinkers? Show Answer


Q234) Cost of sugar in a month under the heads Raw- materials, Labour, direct production and others were 12, 20, 35 and 23 units respectively. What is the difference between the central angles for the largest and smallest components of the cost of sugar? Show Answer


Q235) In a locality of 16,000 families, a simple sample of 860 families was selected. Of these 860 families, 215 families were found to have a monthly income of Rs. 1.000 or less. Find the number of families out of 16.000 families having a monthly income of Rs. 1,000 or less. Show Answer


Q236) In a study relating to the labourers of a jute mill in a West Bengal, the following information was collected. "Twenty per cent of the total employees were females and forty per cent of them were married. Thirty female workers were not members of Trade Union. Compared to this, out of 600 male workers 500 were members of Trade Union and fifty per cent of the male workers were married. The unmarried non-member male employees were 60 which formed ten per cent of the total male employees. The unmarried non-members of the employees were 80". On the basis of this information, the ratio of married male non-members to the married female non-members is Show Answer


Q237) The class intervals in a frequency distribution are (16 - 19), (20 - 23), (24 - 27), (28 - 31) etc. the correct specification for the class (24 - 27) is Show Answer


Q238) Find class mark for the first class interval. Show Answer


Q239) Find width of class interval for the second class interval. Show Answer


Q240) Find Frequency density of the second class interval. Show Answer


Q241) Find Relative frequency for the second class interval. Show Answer


Q242) Find Relative frequency for the third class interval. Show Answer


Q243) Classification is of __________ kinds: Show Answer


Q244) The most appropriate diagram to represent 5 year plan outlay of India in different economic sectors is Show Answer


Q245) 100 persons are divided into number of male/female and employed/unemployed it refers to Show Answer


Q246) If the fluctuations in the observed values are very small as compared to the size of the items, it is presented by J, Show Answer


Q247) Which of the following statement is true ? Show Answer


Q248) A table has _____ parts. Show Answer


Q249) In 2000, out of total of 1,750 workers of a factory, 1,200 were members of a trade union. The number of women employed was 200 of which 175 did not belong to a trade union. In 2004, there were 1,800 employees who belong to a trade union and 50 who did not belong to trade union. Of all the employees in 2004, 300 were women of whom only 8 did not belong to the trade union. On the basis of this information, the ratio of female members of the trade union in 2000 and 2004 is : Show Answer


Q250) Median of a distribution can be obtained from ; Show Answer


Q251) In indirect oral investigation: Show Answer


Q252) Circular diagrams are always : Show Answer


Q253) The column headings of a table are known as : Show Answer


Q254) The most appropriate diagram to represent the data relating to the monthly expenditure on different items by a family is Show Answer


Q255) Which of the following is a statistical data ? Show Answer


Q256) Which of the following graph is suitable for cumulative frequency distribution? Show Answer


Q257) Histogram can be shown as Show Answer


Q258) ________ series is continuous. Show Answer


Q259) Ogive graph is used for finding. Show Answer


Q260) Histogram is used for finding Show Answer


Q261) The average salaries in a factory is Rs. 47,000. The statement that the average salary Rs.47,000 is________ Show Answer


Q262) Statistics cannot deal with_______data. Show Answer


Q263) Sweetness of sweet dish is: Show Answer


Q264) Census reports are used as a source of______data. Show Answer


Q265) Types of cumulative frequencies are: Show Answer


Q266) You are an auditor of a firm and the firm earns a profit of Rs. 67,000 you stated to them that the annual profit Rs. 67,000. This is______type of statistics. Show Answer


Q267) The _____ are used usually when we want to eaxmine the relationship between two variable. Show Answer


Q268) When data are classified according to one criterion, then it is called______ Classification. Show Answer


Q269) A bar chart is drawn for Show Answer


Q270) A tabular presentation can be used for Show Answer


Q271) A variable with qualitative characteristics is known as Show Answer


Q272) The accuracy and consistency of data can be verified by Show Answer


Q273) From a histogram one cannot compute the approximate value of Show Answer


Q274) The left part of a table providing the description of row called: Show Answer


Q275) Mode can obtained from______. Show Answer


Q276) Most of the commonly used distributions provide a. Show Answer


Q277) _______ means separating items according to similar characteristics grouping then into various classes: Show Answer


Q278) In graphical representation of data, ideograph are also called as: Show Answer


Q279) A graph that uses vertical bars to represent data is called a: Show Answer


Q280) In a graphical representation of data, the largest numerical value is 4 the smallest numerical value is 25. If classes desired are 4 then which class interval is: Show Answer


Q281) Frequency density of a class interval is the ratio of ____. Show Answer


Q282) There were 200 employees in an office in which 150 were married. Total male employees were 160 out of which 120 were married. What was the number of female unmarried employees? Show Answer


Q283) Data collected on religion from the census reports are: Show Answer


Q284) A National institute arranged its students data in accordance with different states. This arrangement of data is know as Show Answer


Q285) A student marks in five subject S1, S2, S3, S4 nd S5 are 86,79,90,88 and 89. If we need to draw a Pie chart to represent these marks, then what will be the Central angle for S3? Show Answer


Q286) Ogive curves cannot be used to determine Show Answer


Q287) Multiple axis line chart is considered when Show Answer


Q288) Less than 'o' give curve give- Show Answer


Q289) If a data collected from a census Report. What type of data it is:-
Show Answer


Q290) Sweetness is an Show Answer


Q291) Which of the following is not a way of Presenting data? Show Answer


Q292) Histogram can be drawn from Show Answer


Q293) which of the following does not form characteristics in dividing the data? Show Answer


Q294) If the cumulative frequency are plotted on axis then which type of curve is formed Show Answer


Q295) which one is research data? Show Answer


Q296) The profitability of a blue chip company is shown by- Show Answer


Q297) Which one of the following is a source of primary data? Show Answer


Q298) Which of the left part of the table providing the description of the rows? Show Answer


Q299) The suitable formula for computing the number of class intervals is: Show Answer


Q300) Ogive for more than type and less than type distribution intersect at: Show Answer


Q301) For tabulation caption is: Show Answer


Q302) The mode of presentation of data are:
Show Answer


Q303) What does an Ogive curve represent?
Show Answer


Q304) By plotting cumulative frequency against the respective class boundary, we get:
Show Answer


Q305) Consider the following data where class length is given as 5. Calculate the number of class intervals.
59, 68, 78, 57, 44, 73, 40, 60, 70, 47
Show Answer


Q306) In a cumulative frequency curve,what is represented on the Y-axis? Show Answer


Q307) In a frequency distribution, the relative frequency of the class is: Show Answer


Q308) Frequency density corresponding to a class interval is ratio of: Show Answer


Q309) A perpendicular drawn from the point of intersection of two Ogive on the horizontal axis gives the value of: Show Answer