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The accompanying data file contains 10 observations for tand yt- picture Click here for the...

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The accompanying data file contains 10 observations for tand yt- picture Click here for the Excel Data File A 3-period moving average is plotted along with the actual series. 15 14- 13- 7 12 11 10 8 7 . 0 1 2 3 4 5 4 8 10 Prey of 5 a. Comment on smoothing: The jagged graph represents the original series and the smoother graph represents its 3 period moving average The smoother graph represents the original series and the jagged graph represents its 3-period moving average We cannot tell which graph represents the original series and which its 3 period moving average b-1. Use the 3 period moving average to make in-sample forecasts. (Do not round intermediate calculations and round final answers to 2 decimal places.) 1 2 3 4 5 10 b-2. Compute the resulting MSE and MAD (Do not round intermediate calculations and round final onswers to 2 decimal places MSE MAD c. Make a forecast for period 11. (Do not round intermediate calculations and round final answers to 2 decimal places.)

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