Suppose You Fit a Least Squares Line to 22 Data

question 68

Essay

Suppose you fit a least squares line to 22 data points and the calculated value of SSE is .678. a. Find s2, the estimator of σ2. b. Find s, the estimator of σ. c. What is the largest deviation you might expect between any one of the 22 points and the least squares line?

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