Question

Following is the weekly wage earnings of 20 workers. Calculate mean using direct method.

Wages (Rs) 10 20 30 40 50

No. of workers 6 4 2 3 5​

Answer 1

Answer:

Mean = 28.5

Explanation:

Wages (Rs) (X) 10 20 30 40 50

No. of workers (f) 6 4 2 3 5. ={f=N =20

fX 60 80 60 120 250 = {fX =570

Mean = {fx /N

Mean = 570/20 = 28.5