Statistics and Regression

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    Regression Analysis: Torque, N-m (Y) versus RPM (X)

    The regression equation is

    Torque, N-m (Y) = 5.43 - 0.00434 RPM (X)

    Predictor Coef SE Coef T P

    Constant 5.4326 0.4816 11.28 0.000

    RPM (X) -0.0043420 0.0009540 -4.55 0.004

    S = 0.617555 R-Sq = 77.5% R-Sq(adj) = 73.8%

    Analysis of Variance

    Source DF SS MS F P

    Regression 1 7.8994 7.8994 20.71 0.004

    Residual Error 6 2.2882 0.3814

    Total 7 10.1877

    Unusual Observations

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    Obs RPM (X) N-m (Y) Fit SE Fit Residual St Resid

    6 601 4.120 2.823 0.262 1.297 2.32R

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    Regression Analysis: Torque, N-m (Y) versus RPM (X) without Outlier

    The regression equation is

    Torque, N-m (Y) = 5.49 - 0.00491 RPM (X)

    Predictor Coef SE Coef T P

    Constant 5.4914 0.1706 32.19 0.000

    RPM (X) -0.0049115 0.0003485 -14.09 0.000

    S = 0.218446 R-Sq = 97.5% R-Sq(adj) = 97.1%

    Analysis of Variance

    Source DF SS MS F P

    Regression 1 9.4791 9.4791 198.65 0.000

    Residual Error 5 0.2386 0.0477

    Total 6 9.7177

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