Question

Given below are the daily wages of workers working in two factories A and B. using arithmetic mean and standard deviation, find the factory in which wages are more

variable.

Daily wages Number of workers

in (Rs.)

rs -rs. factory a, factory b

100-110 10, 30

110-120 25, 45

120-130 35, 55

130-140 55, 40

140-150 50, 25

150-160 15, 20

160-170 10, 10​

Answer 1

Answer:

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