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Use the following linear regression equation to answer the questions. x3 = −17.3 + 4.1x1 + 9.6x4 − 1.6x7   Suppose x1 and x7 were held at fixed but arbitrary values.   a) If x4 increased by 1 unit, what would we expect the corresponding change in x3 to be?   b) If x4 increased by 3 units, what would be the corresponding expected change in x3?   c) If x4 decreased by 2 units, what would we expect for the corresponding change in x3?

Use the following linear regression equation to answer the questions. x3 = −17.3 + 4.1x1 + 9.6x4 − 1.6x7   Suppose x1 and x7 were held at fixed but arbitrary values.   a) If x4 increased by 1 unit, what would we expect the corresponding change in x3 to be?   b) If x4 increased by 3 units, what would be the corresponding expected change in x3?   c) If x4 decreased by 2 units, what would we expect for the corresponding change in x3?

MATLAB: An Introduction with Applications
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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Use the following linear regression equation to answer the questions.
x3 = −17.3 + 4.1x1 + 9.6x4 − 1.6x7
 
Suppose x1 and x7 were held at fixed but arbitrary values.
 
a) If x4 increased by 1 unit, what would we expect the corresponding change in x3 to be?
 
b) If x4 increased by 3 units, what would be the corresponding expected change in x3?
 
c) If x4 decreased by 2 units, what would we expect for the corresponding change in x3?
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