Question: A professor wanted to predict final exam scores from midterm exam scores.He used data from several different professors teaching the same class.He obtained the following

A professor wanted to predict final exam scores from midterm exam scores.He used data from several different professors teaching the same class.He obtained the following data:

midterm Scores: 83, 62, 72, 85, 85

final exam scores: 89, 58, 70, 92, 84

What are the values for each of the following?

a. S X.

b. S X2.

c. N.

d. S Y.

e. S Y2.

f. (S X)2.

g. (S Y)2.

h. S XY.

i. bY.

j. aY.

k. If the professor's class score on the midterm were 77.4, what score would you predict the class would receive on the final exam?

l. What is the value of ?

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