A researcher samples unemployed workers and wants to determine if the variance of depression scores for the unemployed prior to becoming unemployed is higher than the variance of depression scores for the unemployed after becoming unemployed. Which one of the following procedures is appropriate to test this?

Question

Quizplus · Accepted Answer

The researcher is comparing the variance of depression scores for the same group of individuals before and after becoming unemployed, which makes the samples dependent. Therefore, a test for two dependent variances is appropriate.

A Researcher Samples Unemployed Workers and Wants to Determine If