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Mathematics 11 Online
OpenStudy (anonymous):

In one study, a correlation of -.49 is found between the number of hours of TV watched per week and high school GPA. According to this study, how much of the variance in high school GPA is associated with TV watching?

OpenStudy (anonymous):

statistics problem, right?

OpenStudy (anonymous):

yep.

OpenStudy (anonymous):

hello...:(

OpenStudy (anonymous):

-.49=covar(telly watching, school gpa)/var(tellywatching)*var(school gpa)

OpenStudy (dumbcow):

my guess would be its simply 49% of the variance

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