ASWATKS is a large computer discount store that sells computers and ancillary equipment ar software in the town where State University is located. ITSworks 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 326 2 1610 510 3 860 296 4 1211 478 975 305 6. 1117 506 7 1066 612 1310 560 590 1517 10 1246 676

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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.
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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