If all other factors specified in a sampling plan remain constant, changing the estimated population deviation rate from 2% to 4% would cause the required sample size to:
A) increase.
B) remain the same.
C) decrease.
D) become indeterminate.

Question

Quizplus · Accepted Answer

Increasing the estimated population deviation rate will increase the required sample size. This is because a higher deviation rate means the population is more varied and therefore a larger sample is needed to accurately represent the population.

If All Other Factors Specified in a Sampling Plan Remain