A regression was run to determine if there is a relationship between hours of study per week (x) and the test scores (y). The results of the regression were: y=ax+b a=6.813 b=21.42 r2=0.403225 r=0.635...

Extracted text: A regression was run to determine if there is a relationship between hours of study per week (x) and the test scores (y). The results of the regression were: y=ax+b a=6.813 b=21.42 r2=0.403225 r=0.635 Use this to predict the final exam score of a student who studies 6 hours per week, and please round your answer to a whole number.