When determining the sample size for a proportion for a given level of confidence and
Sampling error, the closer to 0.50 that π is estimated to be, the sample size required
__________.
A) is smaller
B) is larger
C) is not affected
D) can be smaller, larger or unaffected

Question

Quizplus · Accepted Answer

The sample size required is larger when the estimated proportion (π) is closer to 0.50 because the variability is maximized at this point, requiring a larger sample to achieve the same level of precision.

When Determining the Sample Size for a Proportion for a Given