a. What can you say about the strength of this relationship for the model using the F test? Use α = .05. b. Is y significantly related to each independent variable? Use α = .05. c. Would your answer to b change if α = .001? If so, how?
a. What can you say about the strength of this relationship for the model using the F test? Use α = .05. b. Is y significantly related to each independent variable? Use α = .05. c. Would your answer to b change if α = .001? If so, how?
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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SUMMARY OUTPUT
Regression Statistics
Multiple R 0.664798
R Square 0.441957
Adjusted R Square 0.376305
Standard Error 6.412199
Observations 20
ANOVA
df SS MS F Significance F
Regression 2 553.5729 276.7864 6.731793 0.007025498
Residual 17 698.9771 41.1163
Total 19 1252.55
Coefficients Standard Error t Stat P-value Lower 95% Upper 95%
Intercept 26.6651 13.92768 1.91454 0.072535 -2.71974085 56.04995
X1 4.00929 1.1224 3.572068 0.002347 1.641232912 6.377348
X2 0.810165 0.477768 1.69573 0.108172 -0.19783686 1.818168
a. What can you say about the strength of this relationship for the model using the F test? Use α = .05.
b. Is y significantly related to each independent variable? Use α = .05.
c. Would your answer to b change if α = .001? If so, how? (3+4+3)
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