Homework Help: Statistics: IQ Score (X) and Exam Score (Y)

Posted by Joy Chapman on Tuesday, October 18, 2011 at 3:30pm.

Assuming that the regression equation for the relationship between IQ score and psychology exam score is Y' = 9+ 0.274X, what would you expect the psychology exam scores to be for the following individuals given their IQ exam scores?

Individual
Tim
Tom
Tina
Tory

IQ Score (X)
Tim's IQ Score (X) = 118
Tom's IQ Score (X) = 98
Tina's IQ Score (X) = 107
Tory's IQ Score (X) = 103

Psychology Exam Score (Y)
Tim =
Tom =
Tina =
Tory =

Statistics: IQ Score (X) and Exam Score (Y) - MathGuru, Tuesday, October 18, 2011 at 6:49pm
Substitute each score for X in the regression equation and solve for predicted y (Y').
Statistics: IQ Score (X) and Exam Score (Y) - hj, Saturday, April 14, 2012 at 10:35am
hhjjh6776
Statistics: IQ Score (X) and Exam Score (Y) - Kiz, Thursday, December 27, 2012 at 1:37am
Tim= 41
Tom=36
Tina= 38
Tory =37

Y'=9+0.274(118)
Y'=41.332

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