For the Georgia Student Survey data file on the text CD, the table shows the correlation matrix for college GPA, high school GPA, and daily time spent watching TV.

a. Interpret r and r2 between time spent watching TV and college GPA.
b. One student is 2 standard deviations above the mean on high school GPA. How many standard deviations would you expect that student to be above the mean on college GPA? Use your answer to explain €œregression toward the mean.€

Transcribed Image Text:

HSGPA CGPA 0.505 CGPA WatchTV -0.333-0.353