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    Regression line

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    Regression line: substitute x-bar in and simplify = y bar. See attached file for full problem description.

    How would I prove that the regression line will always go through the point of means, e.g., prove that when I substitute in x bar for x in the equation, and simplify, i will get y bar as the answer.

    © BrainMass Inc. brainmass.com June 3, 2020, 8:04 pm ad1c9bdddf
    https://brainmass.com/statistics/regression-analysis/regression-line-substitute-bar-122257

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    Solution Preview

    Please see the attached file.

    Proof. Let , i=1,2,..., n be the n points. Assume that is the regression equation. Then the coefficients make the following ...

    Solution Summary

    It proves that the regression line will always go through the point of means.

    $2.19

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