3.19 - 1.08 0.3-3046.93 8816.68-3046.93 8816.68 2 4 6 8 10...

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3.19 Massachus 11680 3.64 NewJersey 11630 4.2 Pennsylvan 9850 3.84 Minnesota 9950 3.11 Indiana 8490 3.86 Michigan 9020 3.54 Florida 13820 4.08 Georgia 8440 3.57 Tennessee 8790 3.8 Texas 10400 3.52 Arizona 12860 3.77 California 16740 3.78 SUMMARY OUTPUT Regression Statistics Multiple R 0.32 R Square 0.11 Adjusted R 0.02 Standard E 2496.67 Observation 12 ANOVA df SS MS F ignificance F Regression 1 ### ### 1.17 0.3 Residual 10 ### ### Total 11 69653025 Coefficientstandard Erro t Stat P-value Lower 95%Upper 95%Lower 95.0% Upper 95.0% Intercept 223.93 9945.16 0.02 0.98 -21935.26 22383.12 -21935.26 22383.12 X Variable 2884.88 2662.22
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Unformatted text preview: 1.08 0.3-3046.93 8816.68-3046.93 8816.68 2 4 6 8 10 12 2 4 6 8 10 12 Hospital Average Length Of Stay(Days) Average Hospital Charge B) E(hospital charge)=223.9303+2884.887(# of days) C) SE= 2496.667. I am 68% confident that the predicted cost will fall within 2496.67 dollars of the actual cost. D) E(hospital charge)= 223.9303+2884.887(4)=$11763.48 95% confidence interval= $11763.48+/- 4993.33 E) 11 of the 12 have hospital carges within 2 s of the least squares line....
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