Assume that a specific time series forecasting model did not accurately predict the actual demand Assume, further, that CFE (or RSFE) was found to be zero but MAPE was found to be 10 Then, which of the following statements is true The forecast has no bias but has a positive standard deviation of errors The forecast has a positive bias and standard deviation of errors equal to zero The forecast has no bias and has a standard deviation of errors equal to zero The forecast has a negative bias and a positive standard deviation of errors None of the above is true

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Question: Assume that a specific time series forecasting model did not accurately predict the actual demand. Assume, further, that CFE (or RSFE) was found to be

Assume that a specific time series forecasting model did not accurately predict the actual demand. Assume, further, that CFE (or RSFE) was found to be zero; but MAPE was found to be 10%. Then, which of the following statements is true?

The forecast has no bias but has a positive standard deviation of errors.
The forecast has a positive bias and standard deviation of errors equal to zero.
The forecast has no bias and has a standard deviation of errors equal to zero.
The forecast has a negative bias and a positive standard deviation of errors.
None of the above is true.

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