The data below show the volume of transactions (in hundreds of thousands) in shares of a corporation over a period of 12 weeks. Using these data, estimate a first-or autoregressive model, and use the fitted model to obtain forecasts of volume for the next 3 weeks. Week 1 2 3 4 5 6 7 12 D Trading 23.9 13.8 10.2 11.0 Volume 8 9 10 11 23.9 25.2 20.3 19.4 13.6 14.7 20.6 15.4 The estimated first-order autoregressive model is x, )*+-1-

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The data below show the volume of transactions (in hundreds of thousands) in shares of a corporation over a period of 12 weeks. Using these data, estimate a first-order
autoregressive model, and use the fitted model to obtain forecasts of volume for the next 3 weeks.
3
4
5
6
7
8
9
10 11 12
23.9 13.8 10.2 11.0
19.4
13.6 14.7
20.6 15.4 23.9 25.2 20.3
Week 1 2
Trading
Volume
The estimated first-order autoregressive model is x₁ =
(Round to two decimal places as needed.)
+*+-1·
Transcribed Image Text:The data below show the volume of transactions (in hundreds of thousands) in shares of a corporation over a period of 12 weeks. Using these data, estimate a first-order autoregressive model, and use the fitted model to obtain forecasts of volume for the next 3 weeks. 3 4 5 6 7 8 9 10 11 12 23.9 13.8 10.2 11.0 19.4 13.6 14.7 20.6 15.4 23.9 25.2 20.3 Week 1 2 Trading Volume The estimated first-order autoregressive model is x₁ = (Round to two decimal places as needed.) +*+-1·
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