Find the
(a) Explained variation,
(b) Unexplained variation,
(c) Total variation,
(d) Coefficient of determination, and
(e) Standard error of estimate se.
The paired data below consist of the weights (in kilograms) of discarded plastic and sizes of households. (The equation of the regression line, for predicting household size from the weight of discarded plastic, is = 0.5486 + 3.2694x.)

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Plastic (kg) Household size 2 3 3 6 0.12 0.64 0.99 1.28 0.99 0.82 0.39 1.38 4