S&P 500 Stock Index (contd). Refer to your Holt forecasts of the quarterly S&P 500 for 2019,

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S&P 500 Stock Index (cont’d). Refer to your Holt forecasts of the quarterly S&P 500 for 2019, Exercise 14.30 (p. 14-24).

a. Calculate MAD, MAPE, and RMSE for the forecasts with w = .3 and v = .5.

b. Calculate MAD, MAPE, and RMSE for the forecasts with w = .7 and v = .5.

c. Compare MAD, MAPE, and RMSE for the two Holt forecasts models. Which model leads to more accurate forecasts? Applying the Concepts—Intermediate

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