Which statement is correct for a simple regression? Why not the others? a. A 95% confidence interval
Question:
a. A 95% confidence interval (CI) for the mean of Y is wider than the 95% CI for the predicted Y.
b. A confidence interval for the predicted Y is widest when X = x-bar.
c. The t test for zero slope always gives the same tcalc as the correlation test for 5 0.
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a True A 95 confidence interval CI for the mean of Y i...View the full answer
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Related Book For 
Applied Statistics In Business And Economics
ISBN: 9780073521480
4th Edition
Authors: David Doane, Lori Seward
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