SCENARIO 13-4
a Real Estate Builder Wishes to Determine How

question 88

Multiple Choice

SCENARIO 13-4
A real estate builder wishes to determine how house size (House) is influenced by family income (Income) and family size (Size) .House size is measured in hundreds of square feet and income is measured in thousands of dollars.The builder randomly selected 50 families and ran the multiple regression.Partial Microsoft Excel output is provided below: $\begin{array}{lr}\hline{\text { Regression Statistics }} \\\hline \text { Multiple R } & 0.8479 \\\text { R Square } & 0.7189 \\\text { Adjusted R Square } & 0.7069 \\\text { Standard Error } & 17.5571 \\\text { Observations } & 50\\\hline \end{array}$

$\text { ANOVA }$
$\begin{array}{lrrrrr} & d f & \text { SS } & {M S} & F & \text { Significance } F \\\hline \text { Regression } & & & 37043.3236 & 18521.6618 & 0.0000 \\\text { Residual } & & 14487.7627 & 308.2503 & \\\text { Total } & & 49 & 51531.0863 & &\end{array}$

$\begin{array}{lrrrr}\hline & \text { Coefficients } & \text { Standard Error } &{t \text { Stat }} & \text { P-value } \\\hline \text { Intercept } & -5.5146 & 7.2273 & -0.7630 & 0.4493 \\\text { Income } & 0.4262 & 0.0392 & 10.8668 & 0.0000 \\\text { Size } & 5.5437 & 1.6949 & 3.2708 & 0.0020\\\hline \end{array}$

$\text { Also } \operatorname{SSR}\left(X_{1} \mid X_{2}\right) =36400.6326 \text { and } \operatorname{SSR}\left(X_{2} \mid X_{1}\right) =3297.7917$


-Referring to SCENARIO 13-4, at the 0.01 level of significance, what conclusion should the builder reach regarding the inclusion of Income in the regression model?

• A)Income is significant in explaining house size and should be included in the model because its p-value is less than 0.01.
• B)Income is significant in explaining house size and should be included in the model because its p-value is more than 0.01.
• C)Income is not significant in explaining house size and should not be included in the model because its p-value is less than 0.01.
• D)Income is not significant in explaining house size and should not be included in the model because its p-value is more than 0.01.

Understand the role of photosynthesis and cellular respiration in ecosystems.

Comprehend the dynamics of food chains and food webs, including energy transfer.

Identify the main biogeochemical cycles and their importance.

Understand the concept of energy efficiency across trophic levels.

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Definitions:

Cover

A buyer’s right to substitute goods for those due under a sales or lease agreement when the seller provides nonconforming goods.

Substitute Goods

Products that can be used in place of each other, satisfying the same needs or wants.

Lease Agreement

A contract between a lessor and a lessee for the rental of property, usually real estate, for a specified period of time.

Insolvent

The state of being unable to pay debts owed, often leading to bankruptcy proceedings.