The ______ the sample, the more confidence a researcher has that the sample mean estimates the unknown population mean μ, and the ______ the confidence interval around the sample mean.
A) larger; larger
B) smaller; smaller
C) smaller; larger
D) larger; smaller

Question

Quizplus · Accepted Answer

A larger sample size increases the confidence that the sample mean accurately estimates the population mean, and it results in a smaller confidence interval, indicating a more precise estimate.

The ______ the Sample, the More Confidence a Researcher Has