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Sales of​ Volkswagen's popular Beetle have grown steadily at auto dealerships in Nevada during the past 5 years​ (see table​ below).                                                      Year Sales 1 455 2 510 3 518 4 570 5 590 ​a) Forecasted sales for year 6 using the trend projection​ (linear regression) method are 627.6627.6 sales ​(round your response to one decimal​ place). ​b) The MAD for a linear regression forecast is nothing sales ​(round your response to one decimal​ place).

Sales of​ Volkswagen's popular Beetle have grown steadily at auto dealerships in Nevada during the past 5 years​ (see table​ below).                                                      Year Sales 1 455 2 510 3 518 4 570 5 590 ​a) Forecasted sales for year 6 using the trend projection​ (linear regression) method are 627.6627.6 sales ​(round your response to one decimal​ place). ​b) The MAD for a linear regression forecast is nothing 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​ Volkswagen's popular Beetle have grown steadily at auto dealerships in Nevada during the past 5 years​ (see table​ below).
                                                    
Year
Sales
1
455
2
510
3
518
4
570
5
590
​a) Forecasted sales for year 6 using the trend projection​ (linear regression) method are
627.6627.6
sales ​(round your response to one decimal​ place).
​b) The MAD for a linear regression forecast is
nothing
sales ​(round your response to one decimal​ place).
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