Question

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

Answer 1

Answer:

Total no of workers=1+2+3+4+5 =15

Mean=60x4+63x5+66x3+72x1+75x2 /15

=240+315+198+72+150/15

=11553/15

=770.2