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Suppose that the last four months of sales were 18,13,19, and 17 units, respectively. Suppose further that the last four forecasts were 16 , 10,

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Suppose that the last four months of sales were 18,13,19, and 17 units, respectively. Suppose further that the last four forecasts were 16 , 10, 14, and 19 units, respectively. What is the Mean Square Error (MSE) of these forecasts? round your answer to 2 decimal places

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