Author Question: If a manager believes that the required sample size is too large for a situation in which she ... (Read 77 times)

sheilaspns · **on:** Jun 24, 2018

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

Question 2

The regional sales manager for a medical supply company recently collected data on the reasons why customers returned the merchandise for a refund. She actually formed a frequency distribution for this variable.

It would now be acceptable to construct a bar chart to graphically display the results. Indicate whether the statement is true or false