Select the one best answer from the following:
A) the mean absolute deviation can be used as a measure of forecast error
B) usually forecast error is distributed normally about the average demand
C) in a normal distribution the error will be within 1 MAD of the average about 60% of the time
D) all the above are true
E) none of the above is true

Question

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The Answer of Select the one best answer from the following:
A) the mean absolute deviation can be used as a measure of forecast error
B) usually forecast error is distributed normally about the average demand
C) in a normal distribution the error will be within 1 MAD of the average about 60% of the time
D) all the above are true
E) none of the above is true

Select the One Best Answer from the Following