Assignment6

Assignment6 - 87 26 71 Age Score Age 1 Score-0.73 1 Age...

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SUMMARY OUTPUT Emily Stephens Stats I Regression Statistics 3/7/2008 Multiple R 0.79 R Square 0.63 Adjusted R Square 0.56 Standard Error 67.04 Observations 7 ANOVA df SS MS F Significance F Regression 1 38365.94 38365.94 8.54 0.03 Residual 5 22469.77 4493.95 Total 6 60835.71 Coefficients tandard Erro t Stat P-value Lower 95% Upper 95%Lower 95.0% Upper 95.0% Intercept 355.23 74.21 4.79 0 164.47 545.99 164.47 545.99 1 -33.18 11.35 -2.92 0.03 -62.36 -3.99 -62.36 -3.99 RESIDUAL OUTPUT Observation Predicted 500 Residuals 1 189.34 -69.34 2 255.7 84.3 3 23.46 51.54 4 122.99 -47.99 5 156.17 -66.17 6 222.52 17.48 7 89.82 30.18 2 3 4 5 6 7 8 9 10 11 -100 -50 0 50 100 Years Residual Plot Years Residuals
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Emily Stephens Stats I 3/7/2008 Years Contribution 1 500 5 120 3 340 10 75 7 75 6 90 4 240 8 120 Years Contribution Years 1 Contribution -0.88 1 Years = years since graduation Contribution = amount contributed 0 2 4 6 8 10 12 0 100 200 300 400 500 600 f(x) = -46.98x + 453.41 R² = 0.77 Contribution vs. Years Years Contribution A B C D E F G H I J K 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
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Emily Stephens Stats I 3/7/2008 Age Score 9 91 15 95 15 102 18 93 20
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Unformatted text preview: 87 26 71 Age Score Age 1 Score-0.73 1 Age Score 9 91 15 95 15 102 18 93 20 87 Age Score Age 1 Score-0.21 1 The data below are the age (in months) at which six children spoke their first word, and their score on the Gesell adaptive test, an ability test that they took much later. (Scroll down for the second data set.) This is the same data as above with the one data point removed, corresponding to the child who started speaking at 26 months. 8 10 12 14 16 18 20 22 24 26 28 60 65 70 75 80 85 90 95 100 105 110 f(x) = -1.34x + 112.9 R = 0.54 Original Data Age Score 8 10 12 14 16 18 20 22 60 70 80 90 100 110 f(x) = -0.28x + 97.87 R = 0.04 Modified Data Age A B C D E F G H I J K 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35...
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Assignment6 - 87 26 71 Age Score Age 1 Score-0.73 1 Age...

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