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

question 129

Multiple Choice

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
-Referring to Table 11-2, the within group sum of squares is

• A) 1.0606.
• B) 1.1825.
• C) 3.1819.
• D) 4.3644.

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Definitions:

Operating Income

The profit realized from a business's ongoing operations, calculated before taxes and interest payments are deducted.

Variable Cost

Costs that fluctuate in direct proportion to changes in production volume or activity levels.

Fixed Costs

Business expenses that remain constant regardless of the level of production or sales.

Capacity

The maximum amount that something can contain or produce.