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    Mean and Variance

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    The Excel file provides data on the annual percent changes in the Dow Jones Industrial average, Consumer Price Index, Standard & Poor's 500, and average yield for one-year Treasury bills from 1960 through 1999.

    Compute the mean and variance for the percent changes in the DJIA and S&P 500 indexes.

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    Solution Summary

    The expert computes the mean and variance.