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Author Question: True or False.The independent variables x1 and x2 interact when the effect on E(y) of a change in x1 ... (Read 41 times)

BRWH

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on: Feb 14, 2020

Question 1

Consider the partial printout for an interaction regression analysis of the relationship between a dependent variable y and two independent variables x1 and x2.



a.Write the prediction equation for the interaction model.
b.Test the overall utility of the interaction model using the global F-test at α = .05.
c.Test the hypothesis (at α = .05) that x1 and x2 interact positively.
d.Estimate the change in y for each additional 1-unit increase in x1 when x2 = 6.  


Question 2

True or False.

The independent variables x1 and x2 interact when the effect on E(y) of a change in x1 depends on x2.
◦ True
◦ False
Statistics ¦ McClave, Sincich, Tamarack ¦ 12th Edition
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Marked as best answer by BRWH on Feb 14, 2020

Gabe

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Reply #1 on: Feb 14, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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BRWH

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Reply 2 on: Feb 14, 2020
:D TYSM

laurnthompson

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Reply 3 on: Yesterday
Wow, this really help

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