A regression model examining the amount of weight a football player can bench press found that10 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) III only
B) I and III
C) I only
D) I and II
E) none

Question

Quizplus · Accepted Answer

A positive residual indicates that the actual value (weight pressed) is higher than the predicted value from the regression model.

A Regression Model Examining the Amount of Weight a Football