What percentage of variability in price is not explained by the linear regression model? 55.49 7.48 48.07

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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Question
A5)
What percentage of variability in price is not explained by the linear regression
model?
55.49
7.48
48.07
44.51
Transcribed Image Text:What percentage of variability in price is not explained by the linear regression model? 55.49 7.48 48.07 44.51
3
Summary of Fit
RSquare
RSquare Adj
Root Mean Square Error
Mean of Response
Observations (or Sum Wigts)
Analysis of Variance
Source
Model
Error
C. Total
0.554921
0.480741
3630.251
1474764
22
Term
Intercept
Mileage
Age
Sum of
F Ratio
Squares Mean Square
295760373
237217056
98586791
7.4808
13178725 Prob > F
0.0019
DF
3
18
21 532977429
Indicator Function Parameterization
Estimate Std Error t Ratio Prob>
29668119 3255289
9.11
-0.136064 0.041625
-3.27
-1265.098
43024
-2.94
Salesperson[Female] -2114919 1636.516
-1.29
<.0001
0.0043
0.0087
0.2126
Transcribed Image Text:3 Summary of Fit RSquare RSquare Adj Root Mean Square Error Mean of Response Observations (or Sum Wigts) Analysis of Variance Source Model Error C. Total 0.554921 0.480741 3630.251 1474764 22 Term Intercept Mileage Age Sum of F Ratio Squares Mean Square 295760373 237217056 98586791 7.4808 13178725 Prob > F 0.0019 DF 3 18 21 532977429 Indicator Function Parameterization Estimate Std Error t Ratio Prob> 29668119 3255289 9.11 -0.136064 0.041625 -3.27 -1265.098 43024 -2.94 Salesperson[Female] -2114919 1636.516 -1.29 <.0001 0.0043 0.0087 0.2126
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