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 February March April May June Price Per Chip $1.90 $1.61 $1.60 $1.85 $1.91 $1.95 Month July August September October November December Jul 1.90 Price Per Chip $2.00 $1.70 $1.70 $1.55 $1.50 $1.75 D 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 May Jun Jul Aug Sep Oct Nov Dec Forecast $1.76 1.61 1.73 1.88 1.93 1.98 1.85 1.70 1.63 1.53 b) Using a 3-month moving average, the forecast for periods 11 and 12 is (round your responses to two decimal places): Oct Nov Dec Month Apr May Jun Forecast $1.70 1.69 1.79 Aug Sep 1.95 1.88 1.80

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter9: Decision Making Under Uncertainty
Section: Chapter Questions
Problem 36P
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part b)

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
February
March
Month
Forecast
April
May
June
Price Per Chip
$1.90
$1.61
$1.60
$1.85
$1.91
$1.95
Month
July
August
September
October
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
Mar Apr May Jun
Jul Aug
$1.76 1.61 1.73 1.88 1.93 1.98
Jul
1.90
November
December
Price Per Chip
$2.00
$1.70
$1.70
$1.55
$1.50
$1.75
two decimal places):
Sep Oct Nov Dec
1.85 1.70 1.63 1.53
b) Using a 3-month moving average, the forecast for periods 11 and 12 is (round your responses to two decimal places):
Aug Sep Oct Nov Dec
Month Apr May Jun
Forecast $1.70 1.69 1.79
1.95
1.88 1.80
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 February March Month Forecast April May June Price Per Chip $1.90 $1.61 $1.60 $1.85 $1.91 $1.95 Month July August September October 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 Mar Apr May Jun Jul Aug $1.76 1.61 1.73 1.88 1.93 1.98 Jul 1.90 November December Price Per Chip $2.00 $1.70 $1.70 $1.55 $1.50 $1.75 two decimal places): Sep Oct Nov Dec 1.85 1.70 1.63 1.53 b) Using a 3-month moving average, the forecast for periods 11 and 12 is (round your responses to two decimal places): Aug Sep Oct Nov Dec Month Apr May Jun Forecast $1.70 1.69 1.79 1.95 1.88 1.80
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