Answer the following questions using the data from the Excel file S&P 500.xlsx described in Problem 16.51:

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The S&P 500 reached an all-time high September 27th, 2018, at 2,914. The data in excel file S&P 500 show the end-of-the-month value for the S&P 500 for the last two years.

a. Forecast the S&P Index for the end of October 2018 using a trend projection.

b. Check the forecasting model in part a for the presence of auto-correlation using α = 0.05.

c. Comment on the appropriateness of using trend projection for these data.

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Business Statistics

ISBN: 9780134685267

3rd Edition

Authors: Robert A. Donnelly

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Question Posted: Nov 05, 2019 05:50 AM

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Answer the following questions using the data from the Excel file S&P 500.xlsx described in Problem 16.51:

Question:

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a n 24 t 300 y 610282 ty 7979021 t 2 4900 b Sum of Squared ...View the full answer

Business Statistics

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