Question

6. An analysis of daily wages of casual labourers in two firms A and B, belonging to the
same industry, gives the following result:
no.of workers-
Firm A-50
Firm B-60

Average daily wages (in )-
firm a=113
firmb=120
s.d-
firm a=6.5
firm b=8.2

find mean and s.d of wages of all casual labourers in two firms taken together.​

Answer 1

Answer:

wages ?(ii) Which firm A or B shows greater variability in individual wages ? ... (i) Number of wage earner in firm A=586 ... The mean of monthly wages of both the firms is same i.e.52