Question: QUESTION 4 Here are the errors associated with a particular forecast over the past five months, in chronological order: 2, 5, 0, -5, -10. Which

QUESTION 4 Here are the errors associated with a

QUESTION 4 Here are the errors associated with a particular forecast over the past five months, in chronological order: 2, 5, 0, -5, -10. Which of the following statements is (are) true? 1. The forecast was too high during the fifth month. II. The mean error over these five months is -2. III. The forecast was perfectly accurate during one of the months. a. I and III O b. III only O c. ll only O d. I, II and III O e. I only

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