TABLE 11-3 a Realtor Wants to Compare the Average Sales-To-Appraisal Ratios of Ratios

Multiple Choice

TABLE 11-3
A realtor wants to compare the average 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.
Interpret the results of the analysis summarized in the following table:
A) 3.
B) 4.
C) 12.
D) 16.
Answer:
A
Diff: 1
-Referring to Table 11-3, 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