A biology professor intended to forecast final exam scores (y) based on midterm exam scores (x). he drew on data from many different instructors who taught the same class. he got the following information: question: if the professor's class average on the midterm was 50, what do you think the class average would be on the final exam? midterm (x) 55 54 65 76 45 final (y) 76 45 76 85 56 r (x,y) = 0.7515 sx = 11.8533 sy = 16.5015 33.2456 58.1836 76.5612 45.621