For the study in Example 9.6 (page 270) of y = high school GPA and x =
Question:
For the study in Example 9.6 (page 270) of y = high school GPA and x = weekly number of hours viewing television, ˆy = 3.44 − 0.03x.
(a) The study reported that r-squared = 0.237.
Interpret.
(b) Report and interpret the correlation.
(c) Suppose you found the correlation only for those students having TVwatching of no more than three hours per week.Would you expect the correlation to be stronger, or weaker, than for all students?Why?
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Related Book For 
Statistical Methods For The Social Sciences
ISBN: 9781292220314
5th Global Edition
Authors: Alan Agresti
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