Question: You are given five points with these coordinates:
x -1 1 3 5
y -6 -14 -6 66
a. Use the data entry method on your scientific or graphing calculator to enter the n =5 observations. Find the sums of squares and cross-products, Sxx, Sxy, and Syy.
b. Find the least-squares line for the data.
c. Plot the five points and graph the line in part b. Does the line appear to provide a good fit to the data points?
d. Construct the ANOVA table for the linear regression.