The margin of error in an interval estimate of the population mean is a function of all of the following EXCEPT _____.
A) level of significance
B) sample mean
C) sample size
D) variability of the population

Question

Quizplus · Accepted Answer

The margin of error in an interval estimate of the population mean depends on the level of significance (which determines the critical value), the sample size (larger samples lead to smaller margins of error), and the variability of the population (more variability leads to a larger margin of error). It does not directly depend on the sample mean.

The Margin of Error in an Interval Estimate of the Population