A Sports Analyst Was Interested in Finding Out How Well

question 36

Essay

A sports analyst was interested in finding out how well a football team's winning
percentage (stated as a proportion) can be predicted based upon points scored and points
allowed. She selects a random sample of 15 football teams. Each team played 10 games.
She decided to use the point differential, points scored minus points allowed as the
predictor variable. The data are shown in the table and regression output given below.

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Definitions:

Investment Banker

A professional who works in a financial institution, dealing with the creation of capital for other companies, governments, and other entities.

Fortune 500

A yearly ranking of the 500 largest US corporations by total revenue for their respective fiscal years, published by Fortune magazine.

Chief Marketing Officer

A senior executive responsible for leading a company's marketing efforts, including strategy, brand management, and market research.

Automobile Manufacturer

A company that specializes in the production of motor vehicles, including cars, trucks, and motorcycles.