The data point height=175 cm, height =80 cm was misrecorded as height=145 cm, height =80 cm. If we use the simple linear regression and do not correct the mistake, what is the impact of this point on the model?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter2: Linear Equations
Section: Chapter Questions
Problem 8SGR
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The data point height=175 cm, height =80 cm was misrecorded as height=145 cm, height =80 cm. If we use the simple linear regression and do not correct the mistake, what is the impact of this point on the model?

Weight
80
70
8
50-
40-
145
150
Fitted Line Plot
Weight = 93.37 -0.2801 Height
●●●●●
155
Height
•
160
165
S
R-Sq
R-Sq(adj)
9.77145
2.2%
0.0%
Transcribed Image Text:Weight 80 70 8 50- 40- 145 150 Fitted Line Plot Weight = 93.37 -0.2801 Height ●●●●● 155 Height • 160 165 S R-Sq R-Sq(adj) 9.77145 2.2% 0.0%
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Step 1

Given

The data is as follows:

Weight=93.37-0.2801×Height

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