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

question 125

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 p-value of the test statistic for Levene's test for homogeneity of variances is

• A) 0.25.
• B) 0.64.
• C) 0.86.
• D) 3.49.

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Definitions:

Contribution Margin

The amount by which sales income exceeds variable expenses, which is utilized to pay off fixed expenses and create profit.

Variable Costs

Expenses that vary in direct proportion to changes in production or sales volume, such as raw materials and direct labor costs.

Sales

Revenue generated from goods or services exchanged by an entity during its normal business operations.

Break-even Analysis

An assessment to determine the sales volume at which total revenues equal total costs, indicating no net loss or gain.