Sample size affects power because the larger the sample size:
A)the larger the standard deviation of the distribution of means
B)the smaller the standard deviation of the distribution of means
C)the larger the sample's mean Z score
D)the smaller the sample's mean Z score

Question

Quizplus · Accepted Answer

The standard deviation of the distribution of means decreases as sample size increases. This makes it easier to detect true differences or relationships between variables, thus increasing the power of the study.

Sample Size Affects Power Because the Larger the Sample Size