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) decrease.
B) remain the same.
C) increase.
D) become indeterminate.

Question

Quizplus · Accepted Answer

Increasing the estimated population deviation rate would increase the required sample size as the higher deviation rate would increase the variability in the data, making it necessary to collect a larger sample to ensure a reliable estimate of the population parameter. Therefore, the correct choice is C.

If All Other Factors Specified in a Sampling Plan Remain