A realtor wants to compare the variability of sales-to-appraisal ratios of residential properties sold in four neighborhoods (A, B, C, and D). Four properties are randomly selected from each neighborhood and the ratios recorded for each were collected. Which of the following tests will be the most appropriate?
A) McNemar test
B) Tukey-Kramer multiple comparisons procedure for one-way ANOVA
C) Levene's test
D) Wilcoxon rank sum test

Question

Quizplus · Accepted Answer

Levene's test is used to assess the equality of variances for a variable calculated for two or more groups, making it suitable for comparing the variability of sales-to-appraisal ratios across the four neighborhoods.

A Realtor Wants to Compare the Variability of Sales-To-Appraisal Ratios