For the following questions, refer to the table below. Note that X2 is a dummy variable, taking values of 0 or 1. X1 × X2 is an interaction term between X1 and X2. For a one-unit increase in X1, what is the predicted change in Y? -0.778
For the following questions, refer to the table below. Note that X2 is a dummy variable, taking values of 0 or 1. X1 × X2 is an interaction term between X1 and X2. For a one-unit increase in X1, what is the predicted change in Y? -0.778
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.3: Lines
Problem 15E
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For the following questions, refer to the table below. Note that X2 is a dummy variable, taking values of 0 or 1. X1 × X2 is an interaction term between X1 and X2.
For a one-unit increase in X1, what is the predicted change in Y?
- -0.778
- 0.344
- 0.055
- -0.723
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Follow-up Question
(still referring to the table) For a one-unit increase in X1 for observations with X2=0, what is the expected change in Y? What about for observations with X2=1?
a. -0.778
b. 0.344
c. 0.055
d. -0.723
Solution
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Follow-up Question
What is the intercept for observations with X2 equal to 0?
a. 2.121
b. 0.055
c. 1.343
d. -0.723
Solution
by Bartleby Expert
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