Use the output provided in the formula sheets folder. Using the full model: looking at the p-values, which variables are significant at an alpha of a = 0.05? O X1 and X2 O None X1, X12, and X1X2 O X2
Use the output provided in the formula sheets folder. Using the full model: looking at the p-values, which variables are significant at an alpha of a = 0.05? O X1 and X2 O None X1, X12, and X1X2 O X2
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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
Transcribed Image Text:Use the output provided in the formula sheets folder. Using the full model: looking at the p-values, which variables are significant at an alpha of a = 0.05?
O X1 and X2
O None
X1, X1?, and X1X2
X2

Transcribed Image Text:Full Model Y = Bo + B1X1 + B2X2 + B;X1² + B4X2? + BsX,X2 + ɛ
ANOVA
Source
Df
SS
MS
F
Regression
239.35
47.87
?????
Error
4
38.85
9.71
Total
278.20
Coefficients
Parameter Estimate Standard Error Test Statistic
P value
Intercept
X1
-36.36
53.8
-0.68
0.536
2.21
15.2
0.63
1.39
10.12
0.536
X2
0.66
0.544
X1²
X22
-0.002
0.02
-0.10
0.923
-0.47
-0.28
0.99
-0.47
0.663
ΧΙX2
0.34
-0.82
0.467
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