Question: According to Example 2, the sum-of-squares error for the least-squares fit to the data points (1, 6), (4, 5), and (6, 14) is E =

According to Example 2, the sum-of-squares error for the least-squares fit to the data points (1, 6), (4, 5), and (6, 14) is E = 22.13.
(a) Find the equation of the straight line through the two points (4, 5) and (6, 14).
(b) What is the sum-of-squares error when the line in (a) is used to fit the three data points?

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