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MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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![C. ITSworks is a large computer discount store that sells computers and ancillary equipment and
software in the town where State University is located. LTSworks has collected historical data
on computer s+es and printer sales for the past 10 years as follows.
Personal Computer Sales
1045
Year
Printers Sold
1
326
1610
510
860
296
478
4
1211
975
305
6.
1117
506
7
1066
612
8.
1310
560
1517
590
10
1246
676
i.
Develop a linear regression model for these data and forecast printer demand in year 11
if 1,300 computers are sold.
ii.
Develop a linear trend line forecast to forecast printer demand in year 11.
iii.
Compare the forecasts developed in parts (i) and (ii) and indicate which one appears to
be more accurate.](https://content.bartleby.com/qna-images/question/24256a1a-a00a-465f-89af-08079fe689cd/7a9d9992-18ee-4728-87e4-85feed91734d/mrhw18l_thumbnail.png)
Transcribed Image Text:C. ITSworks is a large computer discount store that sells computers and ancillary equipment and
software in the town where State University is located. LTSworks has collected historical data
on computer s+es and printer sales for the past 10 years as follows.
Personal Computer Sales
1045
Year
Printers Sold
1
326
1610
510
860
296
478
4
1211
975
305
6.
1117
506
7
1066
612
8.
1310
560
1517
590
10
1246
676
i.
Develop a linear regression model for these data and forecast printer demand in year 11
if 1,300 computers are sold.
ii.
Develop a linear trend line forecast to forecast printer demand in year 11.
iii.
Compare the forecasts developed in parts (i) and (ii) and indicate which one appears to
be more accurate.
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