SCENARIO 11-2 a Realtor Wants to Compare the Mean Sales-To-Appraisal Ratios of Ratios

Multiple Choice

SCENARIO 11-2
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, 1.3
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:
-Referring to Scenario 11-2, the numerator and denominator degrees of freedom for Levene's test
For homogeneity of variances at a 5% level of significance are, respectively,

A) 3, 12
B) 12, 3
C) 3, 15
D) 15, 3