statistics is _______________
Mr.R purchases 20 kgs of wheat ,10 kgs of rice and 2kgs of ghee every month. If the price of wheat is Rs.10 per kg ,price of rice Rs.14 per kg and price of ghee is Rs.120per kg.Find the average price per kg. per month,Arithmetic mean =?
In 1995out of a total of 3,500 workers of a factory 2,400 were members of a trade union .The number of women employed was 400 of which 350 did not belong to a trade union .In 2000 the number of union workers increased to 3,160 of which 2,580 were men.On the other hand the number of non-union workers fell down to 416 of which 360 were men.In 2005 there were 3,600 employees who belonged to a trade union and 100 who did not belong to a trade union of all the employees in 2005, 600 were women ,of whom only 16 did not belong to trade union.In 1995 total number of workers who did not belong to a trade union=?