Question

The following table the weekly wages of workers in a factory.​

Answer 1

Answer:

(i) Mean=$\frac{5+20+10+10+9+6+12+8}{8}$

            = $\frac{80}{8}$

            = 10

(ii) Modal class =  class interval 55 to 60

(iii) Workers getting weekly wages below 80= 5+20+10+10+9+6

                                                                         = 60

(iv) Workers getting weekly wages more than 65 but less than 85 = 37