Question

The following table gives the distribution of wages in the two branches
of a factory:
Monthly wages Number of workers
Branch A Branch B
100-150
167
63
150-200
207
93
200-250
253
157
250-300
205
105
300-305
168
82
Calculate the co-efficient of variation for the two branches. Which
branch has the least standard deviation?

Answer 1

Answer:

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