In fitting a least squares line to n = 10 data points, the following quantities were computed:
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a. Find the least squares line.
b. Graph the least squares line.
c. Calculate SSE.
d. Calculate s2.
e. Find a 95% confidence interval for the mean value of y when xp = 2.5.
f. Find a 95% prediction interval for y when xρ = 4.