This figure shows an estimated linear equation with 95% prediction intervals. Assume that the units of X
Question:
(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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Related Book For
Statistics For Business Decision Making And Analysis
ISBN: 9780321890269
2nd Edition
Authors: Robert Stine, Dean Foster
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