Question: If the forecast errors for four consecutive periods are 15, 8, 11, and 5, then the mean squared error (MSE) is O A. 9.75 B.

If the forecast errors for four consecutive periods are 15, 8, 11, and 5, then the mean squared error (MSE) is O A. 9.75 B. 145 C. 108.75 OD. 13 E. 39

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