Question

The following table shows the weight (in kg) of 15 workers in a factory:
Weight (in kg) = 60, 63 ,66,72,75
Number of workers= 4,5,3,1,2
Calculate the mean weight.

Answer 1

Mean=60+63+66+72+75=336
=4+5+3+1+2=15
=336/15
=22.4