Question: For a time series forecasting method, the measures of be as follows: Mean absolute percentage error = 10% and Sum of forecast errors = 0.

For a time series forecasting method, the measures of be as follows: Mean absolute percentage error = 10% and Sum of forecast errors = 0. Which one of the following statements concerning this forecasting method is TRUE? The method has a positive bias and an absolute deviation of errors equal to zero The method has a positive bias and a positive absolute deviation of errors The method has no bias but has a positive absolute deviation of errors The method has no bias and has an absolute deviation of errors equal to zero

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