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Regression_Exercise_11_8 (W10)

Regression_Exercise_11_8 (W10) - Regression Example The...

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Regression Example: The relation between noise exposure and hypertension (Exercise 11.8) x y Sound Level Blood Pressure Rise (decibels) (mm Hg) 60 1 63 0 65 1 70 2 70 5 70 1 80 4 90 6 80 2 80 3 85 5 89 4 90 6 90 8 90 4 90 5 94 7 100 9 100 7 100 6 0 1 2 3 4 5 6 7 8 9 10 50 60 70 80 90 100 110 Sound level (db) Blood pressure rise (mm Hg)
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SUMMARY OUTPUT Regression Statistics Multiple R 0.865 R Square 0.748 Adjusted R Square 0.734 Standard Error 1.318 Observations 20 ANOVA df SS MS F Signif. F Regression 1 92.934 92.934 53.502 8.567E-07 Residual 18 31.266 1.737 Total 19 124.200 Coeffs Std Error t Stat P-value Lower 95% Upper 95% Lower 95.0% Upper 95.0% Intercept -10.132 1.995 -5.079 7.832E-05 -14.323 -5.940 -14.323 -5.940 X Variable 1 0.174 0.024 7.314 8.567E-07 0.124 0.224 0.124 0.224 RESIDUAL OUTPUT Observation Predicted Y Residuals
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