prices for the chip during the Month January February March April F
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Problem 1P
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Question
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![Lenovo uses the ZX-81 chip in some of its laptop computers. The prices for the chip during the last 12 months were as follows:
Month
January
Price Per Chip
$1.85
February
$1.61
March
$1.60
April
$1.85
May
$1.91
June
$1.95
This exercise contains only parts a, b, and c.
a) Using a 2-month moving average, the forecast for periods 11 and 12 is (round your responses to two decimal places):
Month Mar Apr
Forecast $1.73 1.61
b) Using a 3-month moving average, the forecast for periods 11 and 12 is (round your r
Month
Apr May
Forecast $1.69 1.69 1.79
May Jun Jul
1.73 1.88 1.93
to two dec
Jun
Month
July
August
September
October
November
December
places):
Jul
1.90
Price Per Chip
$1.90
$1.85
$1.65
$1.50
$1.60
$1.75
Aug Sep Oct Nov Doc
1.93 1.88 1.75
Aug Sep Oct Nov Dec
1.92 1.90 1.80
c) The mean absolute deviation based on a 2-month moving average of March through December is $ (round your response to three decimal places).
The mean absolute deviation based on a 3-month moving average of April through December is $ (round your response to three decimal places)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1d7e18a0-3808-4d58-a7a5-3cb485d794b8%2F406a24f4-6efb-41ce-859a-8d4e99293213%2Flnqgmbj_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Lenovo uses the ZX-81 chip in some of its laptop computers. The prices for the chip during the last 12 months were as follows:
Month
January
Price Per Chip
$1.85
February
$1.61
March
$1.60
April
$1.85
May
$1.91
June
$1.95
This exercise contains only parts a, b, and c.
a) Using a 2-month moving average, the forecast for periods 11 and 12 is (round your responses to two decimal places):
Month Mar Apr
Forecast $1.73 1.61
b) Using a 3-month moving average, the forecast for periods 11 and 12 is (round your r
Month
Apr May
Forecast $1.69 1.69 1.79
May Jun Jul
1.73 1.88 1.93
to two dec
Jun
Month
July
August
September
October
November
December
places):
Jul
1.90
Price Per Chip
$1.90
$1.85
$1.65
$1.50
$1.60
$1.75
Aug Sep Oct Nov Doc
1.93 1.88 1.75
Aug Sep Oct Nov Dec
1.92 1.90 1.80
c) The mean absolute deviation based on a 2-month moving average of March through December is $ (round your response to three decimal places).
The mean absolute deviation based on a 3-month moving average of April through December is $ (round your response to three decimal places)
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