a) Using simple linear regression, the forecast for the number of disk drives 240.2 disk drives (round your response to one decimal place). be made next year = b) The mean squared error (MSE) when using simple linear regression = 26.5 drives² response to one decimal place). (round your c) The mean absolute percentage error (MAPE) when using simple linear regression = 4% (round your response to one decimal place).
a) Using simple linear regression, the forecast for the number of disk drives 240.2 disk drives (round your response to one decimal place). be made next year = b) The mean squared error (MSE) when using simple linear regression = 26.5 drives² response to one decimal place). (round your c) The mean absolute percentage error (MAPE) when using simple linear regression = 4% (round your response to one decimal place).
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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Transcribed Image Text:The number of internal disk drives (in millions) made at a plant in Taiwan during the past 5 years
follows:
Year
1
2
3
4
5
Disk Drives
140
156
190
202
216
a) Using simple linear regression, the forecast for the number of disk drives to be made next year =
240.2 disk drives (round your response to one decimal place).
b) The mean squared error (MSE) when using simple linear regression
response to one decimal place).
= 26.5 drives² (round your
c) The mean absolute percentage error (MAPE) when using simple linear regression = 4% (round your
response to one decimal place).
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