The mean squared error is obtained by computing the average of the squared forecast errors.
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Q6: Trend in a time series must always
Q7: The exponential smoothing forecast for any period
Q8: In order to use moving averages to
Q9: A four-period moving average forecast for period
Q10: If a time series has a significant
Q12: Qualitative forecasting methods are appropriate when historical
Q13: In situations where you need to compare
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