A researcher samples high school seniors and wants to determine if the variance of college entrance exam scores for the seniors prior to completing a test taking course is lower than the variance of college entrance exam scores for the same group of seniors after completing a test taking course. Which one of the following procedures is appropriate to test this?

Question

Quizplus · Accepted Answer

The appropriate procedure is to test for two dependent variances because the same group of seniors is being measured before and after completing a test taking course, making the two sets of scores dependent on each other.

A Researcher Samples High School Seniors and Wants to Determine