Question: Given forecast errors of 15, 4, and -4, what is the mean absolute deviation (MAD) and mean square error (MSE)? (Round your answer to

Given forecast errors of 15, 4, and -4, what is the mean absolute deviation (MAD) and mean square error (MSE)? (Round your answer to 2 decimal places.) Mean absolute deviation (MAD) (Round your answer to 2 decimal places.) Mean square error (MSE)

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