The purpose of a confidence interval is to:
A) determine whether a relationship is of practical importance
B) assess the validity of scores
C) determine the range of sample scores
D) establish boundaries of population parameters

Question

Quizplus · Accepted Answer

A confidence interval is used to estimate the range within which a population parameter (like a mean or proportion) is likely to lie, with a certain level of confidence. It does not directly assess practical importance, validity of scores, or the range of sample scores.

The Purpose of a Confidence Interval Is To