SCENARIO 10-2
a Realtor Wants to Compare the Mean Sales-To-Appraisal $\mathrm{A}: 1.2,1.1,0.9,0.4$

question 239

Multiple Choice

SCENARIO 10-2
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. $\mathrm{A}: 1.2,1.1,0.9,0.4$$\quad C: 1.0,1.5,1.1,1.3$
B: $2.5,2.1,1.9,1.6$$\quad \mathrm{D}: 0.8,1.3,1.1,0.7$
Interpret the results of the analysis summarized in the following table:
$\begin{array}{lcclcc}\hline \text { Source } & \text { df } & \text { SS } & \text { MS } & \text { F } & \text { PR }>\text { F } \\\hline \text { Neighborhoods } & & 3.1819 & 1.0606 & 10.76 & 0.001 \\\text { Error } & 12 & & & & \\\text { Total } & & 4.3644 & & &\end{array}$
-Referring to SCENARIO 10-2, the value of the test statistic for Levene's test for homogeneity of variances is

• A)0.25
• B)0.37
• C)4.36
• D)10.76

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Definitions:

Marginal Tax Rate

The rate at which the last dollar of income is taxed, indicating the percentage of any additional dollar of income that will be paid in taxes.

State-Run Lotteries

Government-operated lotteries, which serve as a revenue source for the state, typically contributing to public sectors such as education.

Higher-Income Families

Refers to households that have an income level significantly above the median or average income for their area or country.

Local Governments

Governmental authorities that operate at a level below the state or national, managing local affairs such as city, town, or village administration.