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Chapter 3: Q.3.3 (page 176)

For which subject did the regression line overpredict fat gain by the most? Justify your answer.

Short Answer

Expert verified

The residual is negative (-1.11kg)it could be said that for the point the fat gain has been over predicted

Step by step solution

01

Given Information

We need to justify that for which subject did the regression line overpredict fat gain by the most.

02

Explanation

We have the equation for the regression equation is:fatgain^=3.505-0.00344(NEAchange)

An increase in fat was expected for the topic that has an NEA modification of 580and a fat gain of0.4kg.

This makes the residual equal to -1.11kg, since the expected weight gain is 1.5kg.

It is possible that the fat gain has been overestimated for the point since the residual is negative.

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