Question: 7. In the Excel file Surgery Infections , develop spreadsheet models for forecasting the surgery infection rates. Use an exponential smoothing model with smoothing constant

7. In the Excel file Surgery Infections , develop spreadsheet models for forecasting the surgery infection rates.

Use an exponential smoothing model with smoothing constant a = 0.5, and weighted moving average with k = 3 and weights 10%, 20% and 70%. Compare them on the basis of the usual error metrics.

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