The confidence interval for the mean is ______.
A) a range of values for a variable that has a stated probability of containing an unknown population mean
B) a single value used to estimate an unknown population parameter
C) the lower and upper boundaries of the confidence interval
D) a measure of variability

Question

Quizplus · Accepted Answer

A confidence interval for the mean is a range of values for a variable that has a stated probability of containing an unknown population mean. It is not a single value, the boundaries are part of it and it is not a measure of variability.

The Confidence Interval for the Mean Is ______