A philosophy professor has found a correlation of .80 between number of hours students study for exams and their exam performance. During the time he collected date students studied for an average of 10 hours with a standard deviationof 2.5 and scored an average of 80 points with a standard deviation of 7.5
A) create a linear model to estimate the number of points students will score on the next exam from the number of hours the student studies
B) If a student studies for 15 hours, what score should the student expect on the next exam?