MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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4. [
The operations manager of a musical instrument distributor feels that demand for a
particular type of guitar may be related to the number of YouTube views for a music video by the
popular rock group Marble Pumpkins during the preceding month. The manager has collected the
data shown in the following table:
YouTube VIEWS (1,000s)
GUITAR SALES (1000s)
50
8
60
11
75
13
90
14
95
15
55
13
a.
Using the equations presented in this chapter or Excel tools, compute the SST, SSE, and
SSR. Find the least-squares regression line for these data.
b.
Using the regression equation, predict guitar sales if there were 40,000 views last month.
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Transcribed Image Text:4. [ The operations manager of a musical instrument distributor feels that demand for a particular type of guitar may be related to the number of YouTube views for a music video by the popular rock group Marble Pumpkins during the preceding month. The manager has collected the data shown in the following table: YouTube VIEWS (1,000s) GUITAR SALES (1000s) 50 8 60 11 75 13 90 14 95 15 55 13 a. Using the equations presented in this chapter or Excel tools, compute the SST, SSE, and SSR. Find the least-squares regression line for these data. b. Using the regression equation, predict guitar sales if there were 40,000 views last month.
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