The Wellington company wants to develop a simple linear regression model for one of its products. Use the following 12 periods of historical data to develop the regression equation and use it to forecast the next three periods.

Practical Management Science
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ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
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The Wellington company wants to develop a simple linear regression model for one of its products. Use the following 12 periods of historical data to develop the
regression equation and use it to forecast the next three periods.
Click the icon to view the historical data for the previous 12 periods.
The simple linear regression line is F₁ =
+ x₁. (Enter your responses rounded to two decimal places and include a minus sign if necessary.)
Find the forecasts for periods 13-15 based on the simple linear regression and fill in the table below (enter your responses rounded to two decimal places).
Period
Forecast
(Ft)
Period
(x)
1
2
3
4
5
6
7
8
9
10
11
12
(y)
905
930
825
774
791
647
656
661
479
669
494
441
X
(x) Fo
13
14
15
Transcribed Image Text:nfo K The Wellington company wants to develop a simple linear regression model for one of its products. Use the following 12 periods of historical data to develop the regression equation and use it to forecast the next three periods. Click the icon to view the historical data for the previous 12 periods. The simple linear regression line is F₁ = + x₁. (Enter your responses rounded to two decimal places and include a minus sign if necessary.) Find the forecasts for periods 13-15 based on the simple linear regression and fill in the table below (enter your responses rounded to two decimal places). Period Forecast (Ft) Period (x) 1 2 3 4 5 6 7 8 9 10 11 12 (y) 905 930 825 774 791 647 656 661 479 669 494 441 X (x) Fo 13 14 15
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