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 among group degrees of freedom is
A)3
B)4
C)12
D)16

Question

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 among group degrees of freedom is
A)3 
B)4 
C)12 
D)16

Quizplus · Accepted Answer

The among group degrees of freedom is calculated as the number of groups minus one. If there are 4 groups, then the degrees of freedom would be 4 - 1 = 3.

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