14. Consider the following time series. t 1 2 3 4 5 7 Yt 120 110 100 96 94 92 88 a. Construct a time series plot. What type of pattern exists in the data? b. Develop the linear trend equation for this time series. C. What is the forecast for t = 8?
14. Consider the following time series. t 1 2 3 4 5 7 Yt 120 110 100 96 94 92 88 a. Construct a time series plot. What type of pattern exists in the data? b. Develop the linear trend equation for this time series. C. What is the forecast for t = 8?
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter13: Regression And Forecasting Models
Section13.6: Moving Averages Models
Problem 22P: The file P13_22.xlsx contains total monthly U.S. retail sales data. While holding out the final six...
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