For a given sample size and population standard deviation, which of the following is true in the interval estimation of the population mean?
A) If the confidence level is greater, the interval is wider.
B) If the confidence level is smaller, the interval is wider.
C) If the confidence level is greater, the interval is narrower.
D) None of the above

Question

Quizplus · Accepted Answer

A higher confidence level means that you want to be more certain about capturing the true population mean within your interval. To achieve this, you widen the interval to increase the likelihood that it encompasses the true mean.

For a Given Sample Size and Population Standard Deviation, Which