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    Statistics: Advertising and sales, correlation analysis

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    Excel spreadsheet you provided

    I calculated the correlation coefficient for data at .891. Can you please use
    this data and Excel spreadsheet and provide the calculations to arrive at
    the correlation coefficient of .891? In addition, what would the
    correlation coefficient of .891 tell us about the data ?

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    Solution Preview


    Please see the excel file attached for the calculations.

    Worksheet "Calculation of correlation coeff" contains calculations for correlation coeff. using formula.
    Worksheet "regression analysis" contains regression output for ...

    Solution Summary

    MS excel file contains calculations for correlation coefficient using formula.