A Problem Set 3-editedMailingsReviewViewTell meAaBbCcDdEeAaBbCcDdEeAaBbCcDdEeAaBbCcDdEeNormalBody TextList ParagraphNo Spacing5. Table 1 shows the daily stock price of Apple Inc. (AAPL) in the past few trading days.Table 1. Daily stock prices of Apple Inc.1-4-5-6-7-8-11-12-13-14-15-18-DateNovNovNovNovNovNovNovNovNovNovNovNovStock255.1 256.7 256.4 256.5 259.4 260.1 262.2 262264.5 262.6 265.8 265.7PriceSince the stock market closes on weekends, Table 1 only shows stock prices during weekdays. Pleaseanswer the following questions based on the given information.(a) Apply the moving average (MA) model with a three-day lag (q = 3) and a five-day lag (q =5) to forecastApple Inc.'s stock price in the following three trading days (i.e., its stock price on November 19, 20 and 21).(Hint: calculate the stock price on November 19 first, and then use the estimated stock price of November19 to forecast the stock price on November 20.) (ROUND TO ONE DECIMAL)ates)O FocusdtvMacBook Pro Problem Set 3-editedMailingsReviewViewTell meAaBbCcDdEeAaBbCcDdEeAaBbCcDdEeAaBbCcDdE田NormalBody TextList ParagraphNo Spacing(b) Known an autoregressive (AR) model with a two-day lag as follows:XAR = 3.7 + 0.9xt-1 + 0.1xt-2Use the above AR model to forecast the stock prices of Apple Inc. on November 19, November 20, and (November 21. Note that t represents the number of trading days instead of theactual calendar date. (Hint:calculate the stock price on November 19 first, and then use the estimated stock price of November 19 toforecast the stock price on November 20.)(c) Calculate MAPE for the MA(3), MA(5) and AR(2) model given that the true valueon November 19, 20 and21 are 267.3, 267.8 and 268.6 respectively. Then contude which model gives the best forecasting resultsbased on MAPE. (NO SPECIFIC ROUNDING RULE)!!! lili

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Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter2: Introduction To Spreadsheet Modeling

Section: Chapter Questions

Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...

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