Three factories A, B, C have 100, 200 and 300 workers respectively. The mean of the wages is the same in the three factories. Which of the following statements is true?
Correct Answer:
(D) None of the above
Explanation:
None of the above

Question

Three factories A, B, C have 100, 200 and 300 workers respectively. The mean of the wages is the same in the three factories. Which of the following statements is true?

ObjectiveMcq · Accepted Answer

None of the above

ObjectiveMcq · Answer

There is greater variation in factory C.

ObjectiveMcq · Answer

Standard deviation in. factory A is the smallest.

ObjectiveMcq · Answer

Standard deviation in all the three factories are equal