得分 IV. (20 points) What information can be obtained from this summary output? a to enter = 0.05, a to remove = 0.05 Anal

[answerhappygod]

1 (41.73 KiB) Viewed 87 times

得分 IV. (20 points) What information can be obtained from this summary output? a to enter = 0.05, a to remove = 0.05 Analysis of Variance WWWWW Source DF Adi SS Adi MS F-Value P-value Regression 4 37260200 9315050 45. 23 0.000 Poten 1 4727687 4727687 22.95 0.000 AdvExp 1 4630364 4630364 22. 48 0.000 Share 1 30094013009401 14.61 0.001 Accounts 1 2129972 2129972 10.34 0.004 Error 20 4119349 205967 Total 24 41379549 S R-sq R-sq (adj) R-sq (pred) 453.836 90.04% 88.05% 85.97% Coefficients Teri Coef SE Coef T-Value P-value VIF Constant -1442 424 -3.40 0.003 Poten 0.03822 0.00798 4.79 0.000 1.83 AdvExp 0. 1750 0.0369 4.74 0.000 1.15 Share 190. 1 49.7 3.82 0.001 1.74 Accounts 9.21 2.87 3. 22 0.004 1.99 Fits and Diagnostics for Unusual Observations Std Obs Sales Fit Resid Resid 10 4876 3942 934 2.14 R WWW WA