Subaru Costs Data Collected from Internet Ads for 1999 Subarus $r^{2}=0.47 \text { and equation }$

question 74

Essay

Subaru costs Data collected from internet ads for 1999 Subarus were used to create a
model to estimate the asking price of the car based on the number of miles it had been
driven. The model has $r^{2}=0.47 \text { and equation }$ = 15,327 - 0.11 Miles
) . The plot of
residuals versus the predicted price is shown.
a. Do you think you could make accurate estimates of Subaru prices with this model?
Explain.
b. Interpret the slope of the line.
c. One of the cars in the data set had been driven 42,000 miles. How much was the owner
asking for it? (Show work.)

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Definitions:

Mate Selection

The process by which individuals choose their partners based on various factors such as genetic compatibility, physical attractiveness, and social status.

Reproduction

The biological process by which new individual organisms are produced, either asexually from a single parent or sexually from two parents.

Sexual Relationship

An intimate relationship between individuals that involves sexual activity.

Optimal Mating Strategy

A concept in evolutionary psychology that suggests individuals select mates in a way that will maximize their reproductive success and enhance the survival and quality of their offspring.