Unformatted text preview: to an increase of $80 in wages. Perform the same test at the 10% level of signiﬁcance. 6. Calculate the 99% conﬁdence interval for the intercept. 7. Are the residuals and errors equal i.e is ˆ u i = u i ? 8. What is the Rsquared? What can you conclude about the ﬁt of the model? 1...
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 Winter '09
 Ramirez
 Statistics, Regression Analysis, 2 years, regression line, $80, sample dataset

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