Find the (a) Explained variation, (b) Unexplained variation, (c) Total variation, (d) Coefficient of determination, and (e)

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 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.)