In 2005, Xerox Corporation's revenue from color products and services was $4.6 billion, or 30%of Xerox's total following data show the quarterly percentage change in revenue for 12 quarters. revenue. The Year Quarter %Growth 2003 1 15 2 19 3 15 4 20 2004 1 26 2 17 3 18 4 21 2005 1 15 2 17 3 22 4 17 (a)Use exponential smoothing to forecast this time series. Consider smoothing constants of a=0.2, and a=0.3.What value of the smoothing constant provides the best forecast? (b)What is the forecast of the percentage change for the first quarter of 2006?
In 2005, Xerox Corporation's revenue from color products and services was $4.6 billion, or 30%of Xerox's total following data show the quarterly percentage change in revenue for 12 quarters. revenue. The Year Quarter %Growth 2003 1 15 2 19 3 15 4 20 2004 1 26 2 17 3 18 4 21 2005 1 15 2 17 3 22 4 17 (a)Use exponential smoothing to forecast this time series. Consider smoothing constants of a=0.2, and a=0.3.What value of the smoothing constant provides the best forecast? (b)What is the forecast of the percentage change for the first quarter of 2006?
MATLAB: An Introduction with Applications
6th Edition
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Author:Amos Gilat
Publisher:Amos Gilat
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Question
![In 2005, Xerox Corporation's revenue from
color products and services was $4.6 billion,
30%of Xerox's total revenue.
following data show the quarterly percentage
change in revenue for 12 quarters.
or
The
Year Quarter %Growth
2003 1
15
2
19
3
15
14
20
2004 1
26
17
3
18
4
21
2005 1
15
2.
17
3
22
4
17
(a)Use exponential smoothing to forecast this
time series. Consider smoothing constants of
a=0.2, and a=0.3.What value of the
smoothing
constant provides the
best
forecast?
(b)What is the forecast of the percentage
change for the first quarter of 2006?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fee81088a-d39a-4021-80f8-df3dab66c5e6%2F69e6ffa3-1bd3-47ac-92c6-2e33745818fe%2Fg1c4nv_processed.jpeg&w=3840&q=75)
Transcribed Image Text:In 2005, Xerox Corporation's revenue from
color products and services was $4.6 billion,
30%of Xerox's total revenue.
following data show the quarterly percentage
change in revenue for 12 quarters.
or
The
Year Quarter %Growth
2003 1
15
2
19
3
15
14
20
2004 1
26
17
3
18
4
21
2005 1
15
2.
17
3
22
4
17
(a)Use exponential smoothing to forecast this
time series. Consider smoothing constants of
a=0.2, and a=0.3.What value of the
smoothing
constant provides the
best
forecast?
(b)What is the forecast of the percentage
change for the first quarter of 2006?
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