Math 534 week 6 homew - Study guides, Class notes & Summaries

1. Whichofthefollowingisnotanassumptionoftheregressionmodel? 2. Supposeforagivendatasettheregressionequationis:y=54.78+1.45x, and the point (0.00, 24.78) is in the data set. The residual forthispointis . 3. If the standard error of the estimate for a regression model fitted toalargenumberofpairedobservationsis1.75,approximately68%oftheresidualswouldliewithin . 4. Foraregressionmodely=30−2x,thecoefficientofdeterminationwasdeterminedasequalto0.81.Thecoefficientofcorrelationis

2 Determine the Pearson product-moment correlation coefficient for the following data.x 3 Given a set of paired data,{X,Y},if Y is independent of X , you would expect that the correlation