Question: If the forecast errors for four consecutive periods are 20 , 25, -42, and 16, then the mean squared error (MSE) over those four periods

  1. If the forecast errors for four consecutive periods are 20, 25, -42, and 16, then the mean squared error (MSE) over those four periods is: 400, 625, 1764, 256
  1. 361.0
  2. 483.0
  3. 609.0
  4. 761.3
  5. 1015.0

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