QUESTION 1 TABLE 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: Source df SS MS F PR > F Neighborhoods 3.1819 1.0606 10.76 0.001 Error 12 Total 4.3644 Q) Referring to Table 11-2,
A. at the 0.10 level of significance, the mean ratios for the 4 neighborhoods are not significantly different.
B. at the 0.05 level of significance, the mean ratios for the 4 neighborhoods are not all the same.
C. at the 0.01 level of significance, the mean ratios for the 4 neighborhoods are all the same.
D. at the 0.05 level of significance, the mean ratios for the 4 neighborhoods are not significantly different from 0.
at the 0.05 level of significance, the mean ratios for the 4 neighbourhoods are not all the same
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