EBK INTRODUCTION TO THE PRACTICE OF STA
EBK INTRODUCTION TO THE PRACTICE OF STA
8th Edition
ISBN: 9781319116828
Author: Moore
Publisher: VST
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Chapter 10, Problem 29E

(a)

Section 1:

To determine

To graph: A scatterplot.

Section 2:

To determine

To explain: The relationship between two variables seems linear.

Section 3:

To determine

To explain: Whether there are any outliers or unusual pattern.

(b)

To determine

To find: The least square regression line and 95% confidence interval.

(c)

Section 1:

To determine

To find: The residuals and scatterplot of residual versus year.

(d)

To determine

To explain: That residuals are normal or not.

(e)

To determine

To find: The regression equation.

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