For each residual plot below, determine whether a linear model is appropriate, and if not, why not. 1000 20 800 15 600 10 400 200 -200 0 10 15 20 30 40 -400 -10 -600 -800 -15 Time X Pick Pick 25 20 15 10 -5 0 500 100 1500 2000 2500 3000 -10 -15 -20 -25 X Pick Appropriate |Not appropriate, fails constant variance assumption Not appropriate, fails independence assumption 2 Residuals Residuals > Residuals >

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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For each residual plot below, determine whether a linear model is appropriate, and if not, why not.
1000
20
800
15
600
10
400
5
200
-200 0
10
15
20
10
30
40
-5
-400
-10
-600 ..
-800
-15
Time
X
Pick
Pick
25
20
15
10
500
1000
1500
2000
2500
0 3000
-10
-15
-20
-25
X
Pick
Appropriate
Not appropriate, fails constant variance assumption
Not appropriate, fails independence assumption
2
Residuals
Residuals
Residuals
Transcribed Image Text:For each residual plot below, determine whether a linear model is appropriate, and if not, why not. 1000 20 800 15 600 10 400 5 200 -200 0 10 15 20 10 30 40 -5 -400 -10 -600 .. -800 -15 Time X Pick Pick 25 20 15 10 500 1000 1500 2000 2500 0 3000 -10 -15 -20 -25 X Pick Appropriate Not appropriate, fails constant variance assumption Not appropriate, fails independence assumption 2 Residuals Residuals Residuals
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