If the regression equation is: Y = -4.2 + 3.6 X ,then the expected score for Y when X is 4 would be:
A)-18.6
B)10.2
C)18.6
D)4

Name: If the regression equation is: Y = -4.2 + 3.6 X ,then the expected score for Y when X is 4 would be: A)-18.6 B)10.2 C)18.6 D)4
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Question

Quizplus · Accepted Answer

To find the expected score for Y when X is 4, we plug in X=4 into the regression equation:

Y = -4.2 + 3.6(4) 
Y = -4.2 + 14.4 
Y = 10.2

Therefore, the expected score for Y when X is 4 is 10.2, which corresponds to answer choice B.

If the Regression Equation Is: Y = -4