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

question 203

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,

• A)at the 0.05 level of significance,the mean ratios for the 4 neighborhoods are not all the same.
• B)at the 0.01 level of significance,the mean ratios for the 4 neighborhoods are all the same.
• C)at the 0.10 level of significance,the mean ratios for the 4 neighborhoods are not significantly different.
• D)at the 0.05 level of significance,the mean ratios for the 4 neighborhoods are not significantly different from 0.

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