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 10, Problem 1E

(a)

To determine

To Explain: the re-expression for the following possible residuals plots.

(a)

Expert Solution
Check Mark

Explanation of Solution

Given:

  Stats: Modeling the World Nasta Edition Grades 9-12, Chapter 10, Problem 1E , additional homework tip  1

By seeing the plot, it is observed that the pattern is linear, it is appropriate for the data. Therefore, re-expression of the data is not needed.

(b)

To determine

To Explain: the re-expression for the following possible residuals plots.

(b)

Expert Solution
Check Mark

Explanation of Solution

Given:

  Stats: Modeling the World Nasta Edition Grades 9-12, Chapter 10, Problem 1E , additional homework tip  2

By seeing the plot, it is observed that the pattern is curved. Therefore, linear model is not appropriate for the given data. So re-expression of the data is needed to making the relationship straighten.

(c)

To determine

To Explain: the re-expression for the following possible residuals plots.

(c)

Expert Solution
Check Mark

Explanation of Solution

Given:

  Stats: Modeling the World Nasta Edition Grades 9-12, Chapter 10, Problem 1E , additional homework tip  3

By seeing the plot, it is observed that the plot is spread. Therefore the linear model is not appropriate for the data list. So, re-expression of data is needed to making the spread equal.

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