In questions 6 & 7, use the following printout of the linear regression relating the moving times (in minutes) and weights (in pounds) of 20 randomly selected moving jobs performed by three-man crews.
In questions 6 & 7, use the following printout of the linear regression relating the moving times (in minutes) and weights (in pounds) of 20 randomly selected moving jobs performed by three-man crews.
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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In questions 6 & 7, use the following printout of the linear regression relating the moving times (in minutes) and weights (in
pounds) of 20 randomly selected moving jobs performed by three-man crews.
The regression equation is
Moving Times = 21.84 + 0.036538(Weight)
Predictor
Coefficient
SE(Coeff)
t-ratio
Constant
21.84
25.54
0.86
0.404
Weight
0.036538
0.002977
12.27
0.000
S= 30.32
R-Sq = 89.3%
R-Sq (ad) = 88.7%
6) The value of S, for this regression is:
A. D.002977
B. D.036538
C. 0,000
D. 25.54
E. 21.84
7) The test statistic for a test of significance for a non-zero slope is:
A. D.002977
B. 25.54
C. 12.27
D. 0.86
E. None of these.
(hp
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