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a) Forecasted sales for year 6 using the trend projection (linear regression) method are 630.1 sales (round your response to one decimal place). b) The MAD for a linear regression forecast is 10.3 sales (round your response to one decimal place). c) The MSE for the linear regression forecast is sales (round your response to one decimal place).

a) Forecasted sales for year 6 using the trend projection (linear regression) method are 630.1 sales (round your response to one decimal place). b) The MAD for a linear regression forecast is 10.3 sales (round your response to one decimal place). c) The MSE for the linear regression forecast is sales (round your response to one decimal place).

Practical Management Science
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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Sales of Volkswagens have grown steadily at auto dealerships in Nevada during the past 5 years (see table below). Year 1 2 3 4 5 Sales 455 510 518 575 590 a) Forecasted sales for year 6 using the trend projection (linear regression) method are 630.1 sales (round your response to one decimal place). b) The MAD for a linear regression forecast is 10.3 sales (round your response to one decimal place). c) The MSE for the linear regression forecast is sales (round your response to one decimal place).
Transcribed Image Text:Sales of Volkswagens have grown steadily at auto dealerships in Nevada during the past 5 years (see table below). Year 1 2 3 4 5 Sales 455 510 518 575 590 a) Forecasted sales for year 6 using the trend projection (linear regression) method are 630.1 sales (round your response to one decimal place). b) The MAD for a linear regression forecast is 10.3 sales (round your response to one decimal place). c) The MSE for the linear regression forecast is sales (round your response to one decimal place).
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