Question: For the following data:

a. Find the regression equation for predicting Y from X.

b. Use the regression equation to find a predicted Y for each X.

c. Find the difference between the actual Y value and the predicted Y value for each individual, square the differences, and add the squared values to obtain SS_residual.

d. Calculate the Pearson correlation for these data. Use r2 and SSY to computeSS_residual. You should obtain the same value as in part c.

X   Y
1   3
4   8
3   6
2   3
5   9
3   7