Following are thewages of 19 workers: {:("Wages(Rs.)",10,20,30,40,50),("Number of Workers",4,5,3,2,5):} Calculate arithmetic mean, using Short-cut Method.

Following are thewages of 19 workers: {:("Wages(Rs.)",10,20,30,40,50)

1.	Following are thewages of 19 workers: {:("Wages(Rs.)",10,20,30,40,50),("Number of Workers",4,5,3,2,5):} Calculate arithmetic mean, using Short-cut Method.
Answer» Solution : `barX=A+(sumfd)/(sumf)=30+(-10)/(19) = 30 - 10/19` `=30-0.53 = 29.47` ARITHMETIC MEAN = RS. 29.47.