TABLE 11-3
a Realtor Wants to Compare the Average Sales-To-Appraisal $\quad 1.2,1.1,0.9,0.4 \quad \mathrm{C}: \quad 1.0,1.5,1.1,1.3$

question 172

Multiple Choice

TABLE 11-3
A realtor wants to compare the average 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: $\quad 1.2,1.1,0.9,0.4 \quad \mathrm{C}: \quad 1.0,1.5,1.1,1.3$
B: $\quad2.5,2.1,1.9,1.6 \quad$ D: $\quad0.8,1.3,1.1,0.7$
Interpret the results of the analysis summarized in the following table:
$\begin{array}{llllll}\text { Source } & \text { df } & S S & \text { MS } & \text { F } & P R>F \\\hline \text { Neighborhoods } & & 3.1819 & & & \\& 1.0606 & 10.76 & 0.001 & & \\\text { Error } & 12 & & & \\\text { Total } & & 4.3644 &\end{array}$

-Referring to Table 11-3, the critical value of Levene's test for homogeneity of variances at a 5% level of significance is

• A) 3.49.
• B) 0.64.
• C) 2.48.
• D) 3.29.

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Definitions:

Electrocardiogram

A diagnostic test that measures the electrical activity of the heart to assess its health and functionality.

Electrodes

Conductive materials that allow the flow of electrical current into or out of a medium, used in various electronic devices and medical applications.

Amplifier

An electronic device that increases the power, voltage, or current of a signal.

Somatic Tremor

An involuntary, rhythmic muscle contraction leading to shaking movements in one or more parts of the body.