Which of the following statements about CFE and MFE is FALSE? Check all that apply.

Group of answer choices

CFE is the scaled down version of MFE.

They are unitless.

A positive CFE means the forecasting method is biased towards overestimating.

The biases are aggregated.

Positive errors may be offset by the negative ones.

The least biased CFE$/$MFE is preferred.

They cannot be negative.

MFE stands for Mean Forecast Error.

CFE stands for Cumulative Forecast Error.