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GM533 Statistics CASE 39

# GM533 Statistics CASE 39 - A B C D G H I J K L M N O P Q 1...

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Simple Regression CASE 39 SOFTWARE SERVICE CALL Q SCALL 0.0321 Coefficient of Determination X Y Error Confidence Interval for Slope r 0.1793 Coefficient of Correlation 1 20 76 -5.26 1-α 2 19 63 -18.14 95% 0.11 + or - 0.33 0.16 Standard Error of Slope 3 28 79 -3.17 4 37 73 -10.2 Confidence Interval for Intercept 5 2 89 9.8 1-α 6 91 97 7.62 95% 78.97 + or - 9.33 4.4 Standard Error of Intercept 7 4 68 -11.43 8 11 118 37.77 Prediction Interval for Y 9 45 85 0.88 1-α X 10 4 88 8.57 + or - s 13.89 Standard Error of prediction 11 9 99 19 12 14 68 -12.57 Prediction Interval for E[Y|X] 13 10 70 -10.11 1-α X 14 8 84 4.12 + or - 15 7 85 5.23 16 9 72 -8 ANOVA Table 17 11 74 -6.23 Source SS df MS F 18 8 72 -7.88 Regn. 102.51 1 102.51 0.53 4.49 0.4766 -78.97 Error 3087.27 16 192.95 -78.97 Total 3189.78 17 -78.97 -78.97 Scatter Plot, Regression Line and Regression Equation -78.97 -78.97 -78.97 Residual Analysis Durbin-Watson statistic d 0.14 r 2 (1- α ) C.I. for β 1 s(b 1 ) (1- α ) C.I. for β 0 s(b 0 ) (1- α ) P.I. for Y given X (1- α ) P.I. for E[ Y | X ] F critical p -value 0 2 4 6 8 10 12 Residual Plot X Error 0 2 4 6 8 10 12 0 2 4 6 8 10 12 f(x) = 1.#NANx X Y -50 -40 -30 -20 -10 0 10 20 30 40 50 -3 -2 -1 0 1 2 3 Normal Probability Plot of Residuals Residuals Corresponding Normal Z

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Unformatted text preview: A B C D G H I J K L M N O P Q 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 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 Regression Using the Solver SSE Intercept Slope Prediction Q SCALL 73773.09 X Y X Y Error 1.22 1 20 76 51.6061 2 19 63 39.8258 3 28 79 44.8486 4 37 73 27.8713 5 2 89 86.5606 6 91 97-13.9921 7 4 68 63.1212 8 11 118 104.5834 9 45 85 30.1138 10 4 88 83.1212 11 9 99 88.0228 12 14 68 50.9243 13 10 70 57.8031 14 8 84 74.2425 15 7 85 76.4621 16 9 72 61.0228 17 11 74 60.5834 18 8 72 62.2425 b b 1 10 20 30 40 50 60 70 80 90 100 20 40 60 80 100 120 140 X Y A B C D E F G H I J K L M N 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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GM533 Statistics CASE 39 - A B C D G H I J K L M N O P Q 1...

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