Question: Find the (a) Explained variation, (b) Unexplained variation, (c) Total variation, (d) Coefficient of determination, and (e) Standard error of estimate se. The accompanying table

Find the
(a) Explained variation,
(b) Unexplained variation,
(c) Total variation,
(d) Coefficient of determination, and
(e) Standard error of estimate se.
The accompanying table lists numbers x of patio tiles and costs y (in dollars) of having them manually cut to fit. (The equation of the regression line is = 2 + 3x.)

y 5 81 17 20

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