Exhibit 17

question 85

Essay

Exhibit 17.8.A realtor wants to predict and compare the prices of homes in three neighboring locations.She considers the following linear models:
Model A: Price = β₀ + β₁Size + β₂Age + ε,
Model B: Price = β₀ + β₁Size + β₂Loc1 + β₃Loc2 + ε,
Model C: Price = β₀ + β₁Size + β₂Age + β₃Loc1 + β₄Loc2 + ε,
where,
Price = the price of a home (in $thousands),
Size = the square footage (in square feet),
Loc1 = a dummy variable taking on 1 for Location 1,and 0 otherwise,
Loc2 = a dummy variable taking on 1 for Location 2,and 0 otherwise.
After collecting data on 52 sales and applying regression,her findings were summarized in the following table. Note: The values of relevant test statistics are shown in parentheses below the estimated coefficients.
Refer to Exhibit 17.8.What is regression equation for model B?

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Definitions:

Runner's High

A euphoric state achieved by long-distance runners, attributed to the release of endorphins.

Commutes

The regular travel of a person between their place of residence and place of work or study.

Inattention

Lack of attention or failure to focus on tasks or stimuli, often leading to errors or missed information.

Depressants

Psychoactive drugs that cause an altered state of consciousness by decreasing behavior and mental activity.