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 within group mean squares is
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The National Environmental Policy Act, a U.S. environmental law that promotes the enhancement of the environment and established the President's Council on Environmental Quality (CEQ).
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A comprehensive framework established by a government to regulate activities and enforce standards that protect the environment.
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