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If a manager believes that the required sample size is too large for a situation in which she desires to estimate the mean income of blue collar workers in a state, which of the following would lead to a reduction in sample size?

A) Reduce the level of confidence

B) Allow a higher margin of error

C) Somehow reduce the variation in the population

D) All of the above

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9998156

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