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    Determining the Degree of Freedom

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    Given the following data
    Advertising Price Quantity
    January 25 12500 15
    February 30 12200 17
    March 26 11900 16
    April 28 12000 18
    May 27 11800 20
    June 29 12500 18
    July 28 11700 22
    August 30 12100 15
    September 24 11400 22
    October 30 11400 25
    November 25 11200 24
    December 27 11000 30
    January 29 10800 25
    February 30 10000 28
    March 32 10500 26
    April 34 10200 27

    Coefficients Standard Error
    Intercept 93.58746223 15.1111
    X Variable 1 -0.188963455 0.260751
    X Variable 2 -0.005805731 0.000895

    Sum of Squares
    Regression 280.9876
    Residual 76.01239
    Total 357

    a. Determine Degree of Freedom for
    Regression_________
    Residual___________
    Total______________
    b. Use the above results and write the regression equation
    c. Compute the coefficient of determination and fully interpret its meaning
    d. Is the regression model significant? Perform an F test and let a = 0.05

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    https://brainmass.com/statistics/regression-analysis/determining-degree-freedom-81905

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    This solution provides assistance determining the degree of freedom for the problem below.

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