This figure shows an estimated linear equation with 95% prediction intervals. Assume that the units of X and Y are

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This figure shows an estimated linear equation with 95% prediction intervals. Assume that the units of X and Y are dollars.
This figure shows an estimated linear equation with 95% prediction

(a) Visually estimate the intercept b0 and the slope b1.
(b) Is se (b1) less than 1, about 1, or more than 1?
(c) Is r2 approximately 0.3, 0.5, or 0.8?
(d) Estimate se, the standard deviation of the residuals.

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Question Posted: July 14, 2015 09:45:04