In order to reduce the cost of a study, a marketing manager wants to reduce the sample size for a study of customer response to a recent advertising campaign. What can she do that would lead to a reduction in sample size?
A) Allow a higher margin of error
B) Reduce the level of confidence
C) Somehow reduce the variation in the population
D) All of the above

Question

Quizplus · Accepted Answer

All of the options provided would lead to a reduction in sample size. Allowing a higher margin of error, reducing the level of confidence, and reducing the variation in the population would each decrease the required sample size for the study.

In Order to Reduce the Cost of a Study, a Marketing