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

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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.

(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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Statistics For Business Decision Making And Analysis

ISBN: 9780321890269

2nd Edition

Authors: Robert Stine, Dean Foster

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Question Posted: Jul 14, 2015 09:45 AM

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

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