A Regression Model Examining the Amount of Weight a Football $r = 0.80$

question 91

Multiple Choice

A regression model examining the amount of weight a football player can bench press found that
10 cm differences in chest size are associated with 8 kg differences in weight pressed. Which is
True?
I. The correlation between chest size and weight pressed is $r = 0.80$
II. As a player gets stronger and presses more weight his chest will get bigger.
III. A positive residual means that the player pressed more than predicted.

• A) none
• B) I only
• C) III only
• D) I and III
• E) I and II

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Definitions:

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The aptitude of a country, individual, or corporation to deliver a service or good at a more affordable opportunity cost compared to competitor parties.

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Tonnage

A measurement of weight or volume used to quantify cargo, shipping capacity, or displacement of ships, traditionally measured in tons.