Question 21If the forecast errors for four consecutive periods are 15, 9, 12, and 6, then the mean squared error (MSE) is:
10.5
162.0
14.0
121.5
42.0
Question 21If the forecast errors for four consecutive periods are 15, 9, 12, and 6, then the mean squared error (MSE) is:
10.5
162.0
14.0
121.5
42.0
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