Question: 5. Use the exponential smoothing method to forecast for the 9th period for the time series data below Period Actual 1 180 2 168 3

5. Use the exponential smoothing method to

5. Use the exponential smoothing method to forecast for the 9th period for the time series data below Period Actual 1 180 2 168 3 159 4 175 5 190 6 205 7 180 8 182 b. Develop a tracking signal to identify at which period the forecast is out of control. Use + 2 MAD as the control limit. Also, show a chart of tracking signal

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