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    The table below shows the demand for Fidgets over an 8-month period. Calculate a four-period moving average forecast for September. Also evaluate the quality of the four-period moving average forecasting model by calculating the root-mean-square error for the data set. Note: Round all intermediate calculations to two decimal places.
    Month Demand
    Jan 10
    Feb 11
    Mar 5
    Apr 8
    May 6
    Jun 11
    Jul 5
    Aug 11.

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    Solution Preview

    The answers are highlighted in Yellow. Also, the RMSE is too large. ...

    Solution Summary

    The solution calculates a four-period moving average forecast. The solution is very easy to follow along and can be easily understood by anyone with a basic understanding of the concepts. The solution answers all the question(s) being asked in a succinct way. Overall, an excellent response.