Stats: Modeling the World Nasta Edition Grades 9-12
Stats: Modeling the World Nasta Edition Grades 9-12
3rd Edition
ISBN: 9780131359581
Author: David E. Bock, Paul F. Velleman, Richard D. De Veaux
Publisher: PEARSON
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Chapter 8, Problem 9E
To determine

To explain in this context what se=30.77 means.

Expert Solution & Answer
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Answer to Problem 9E

The true potassium contents of cereals vary from the predicted amounts with a standard deviation of 30.77 milligrams.

Explanation of Solution

It is given in the previous question that, an analysis of the amount of fiber in grams and the potassium content in milligrams in serving of breakfast produced the regression model:

  P^ otassium=38+27Fiber

Also, it is given se=30.77 . Thus, it means that the true potassium contents of cereals vary from the predicted amounts with a standard deviation of 30.77 milligrams.

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