Following are time-series data for nine time periods. Use exponential smoothing with constants of .3 and .7 to forecast time periods 3 through 9.Let the value for time period 1 is the forecast for time period 2.Compute additional forecasts for time periods 4 through 9 using a 3-month moving average. Compute the errors for the forecasts and discuss the size of errors under eachmethod.
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