A two-sample t-test has a lot in common with simple regression. This output summarizes the results of
Question:
(a) Interpret the estimated intercept and slope in the fitted simple regression.
(b) What is the relationship between the t-statistic for the slope in this simple regression and the t-statistic for the two-sample t-test? (See Table 25.1.)
(c) What assumption is needed in this simple regression approach to a two-sample t-test that we did not require previously?
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170 16아 150 140 130 120 110 0 0.25 0.5 0.75 1 Group 0.0312 12.402 174 /2 Estimate Std Error t-Stat p-Value Term Intercept 140.0339 16146 86.73 0.0001 Group 4.6705 .9860 2.35 0.0198
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a The intercept is the mean salary for Group0 namely the wom...View the full answer
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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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