Six points have these coordinates: a. Find the least-squares line for the d...

Six points have these coordinates:

a. Find the least-squares line for the data.

b. Plot the six points and graph the line. Does the line appear to provide a good fit to the data points?

c. Use the least-squares line to predict the value of y when x = 3.5.

d. Fill in the missing entries in the MINITAB analysis of variance table.