A realtor wants to compare the mean sales-to-appraisal ratios of residential pro

Question

A realtor wants to compare the mean 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 as shown below A 1 2, 1 1, 0 9, 0 4 C: 1.0, 1.5, 1.1, 13 B: 2 5, 2.1, 1.9, 1.6 D: 0 8, 1.3, 1.1, 0.7 Interpret the results of the analysis summarized in the following table What is the p-value of the test statistic for Levene's test for homogeneity of variances? 0 25 3 49 0 86 0 64

Explanation / Answer

Find degrees of freedom within, dfw=N-k=16-4=12

degrees of freedom between, dfb=k-1=4-1=3

The p value corresponding to F test is 0.64.

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