You are given the following six points:
x -5 -2 0 3 4 7
y 15 9 7 6 4 1
a) Determine the regression equation.
b) Use the regression equation to determine the predicted values of y.
c) Use the predicted and actual values of y to find out the residuals.
d) Compute the standardized residuals.
e) Identify possible outliers.