For Problem, evaluate the linear model ŷ = b0 + b1x using the principle of least squares and compute the correlation coefficient (R), the proportion of explained variance (R2), the standard error of estimate (Sc), and the ratio Se. to the standard deviation of the variable y. Discuss the reliability of the model.
Let y and x be the depression storage (in.) and imperviousness (%), respectively:
Y | 1.2 | 0.7 | 0.4 | 0.5 | 0.3 | 0.3 | 0.2 |
X | 2 | 5 | 21 | 32 | 41 | 49 | 68 |
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