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

question 101

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 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:

Object Permanence

The realization that people and objects exist even when they cannot be seen.

Goal-Directed Behavior

Behavior in which several schemes are combined and coordinated to generate a single act to solve a problem.

Secondary Circular Reactions

A stage in Piaget's theory of cognitive development where infants (4-8 months) repeat pleasurable actions that are centered on their own body.

Primary Circular Reactions

Repetitive actions focused on the body that infants engage in for pleasure, part of Piaget’s stages of cognitive development.