Question

Q5. The following table shows the weights of 12 workers in a factory :
(weight in kg)60 63 66 69 72
no of workers 4 3 2 2 1
Find the mean weight.​

Answer 1

Answer:

Your answer is( 60+63+66+69+72/5)

=330/5.

Answer 2

Answer:

64.25

Step-by-step explanation:

Mean = xifi + .....+xvfv

————————

fi+.......fv

=60×4 + 63×3 + 66×2 + 69×2 + 72×1

———————————————————

4+3+2+2+1

= 771

—————

12

Hence, mean = 64.25