Question: 29. An operation analyst is forecasting this year's demand for one of his company's products based on the following historical data: (4 year ago Quantity

29. An operation analyst is forecasting this year's demand for one of his company's products based on the following historical data: (4 year ago Quantity sold was 1070), (3 year ago Quantity sold was 1233 ), (2 year ago Quantity sold was 1845 ) and the last year Quantity sold was 1978 . The previous trend line had predicted 1204 for three years ago, 1258 for two years ago and 1312 for last year. What was the mean squared error (MSE) for these forecasts? a. 427.32999 b. 262988.66 c. 22.610001 d. 0.23

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