BASIC PRACTICE OF STATS-LL W/SAPLINGPLU
BASIC PRACTICE OF STATS-LL W/SAPLINGPLU
8th Edition
ISBN: 9781319216245
Author: Moore
Publisher: MAC HIGHER
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Chapter 5.6, Problem 11AYK

a.

To determine

To create: The group of 10 points in the lower-left corner of the scatterplot with a strong-line pattern with a correlation about 0.9.

To construct: The scatterplot and add one point at the upper right that is far from the other 10 points but exactly on the regression line and explain the reason that the upper right point has no effect on the line even though it changes the correlation.

b.

To determine

To construct: The scatter plot and drag the last point straight down.

To explain: The reason that the last point is so influential when the last point is dragged at straight down.

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