The 99% confidence interval is the region in a group of scores that
A)a psychologist can be 99% confident includes the true population mean.
B)a psychologist can be 1% confident includes the true population mean.
C)includes 49% of the scores below the mean and 50% of the scores above the mean.
D)includes 50% of the scores below the mean and 49% of the scores above the mean.

Question

Quizplus · Accepted Answer

The 99% confidence interval is a range of scores within which a psychologist can be 99% confident that the true population mean falls. This means that if the study were repeated numerous times, 99% of the resulting confidence intervals would contain the true population mean.

The 99% Confidence Interval Is the Region in a Group