some of lts laptop omputer for during the last 12 ins were as follows: Price Per Chip $1.85 Price Per Chip $1.80 Month Month July January February March $1.61 $1.60 $1.85 August September October $1.85 $1.60 $1.57 April May $1.90 $1.95 November $1.62 $1.75 June December This exercise contains only part d. With a = 0.1 and the initial forecast for October of $1.81, using exponential smoothing, the forecast for periods 11 and 12 is (round your responses to two decimal places): Month Oct Nov Dec Forecast $1.81 1.79 1.77 With a = 0.3 and the initial forecast for October of $1.77, using exponential smoothing, the forecast for periods 11 and 12 is (round your responses to two decimal places): Month Dec Oct Nov Forecast $1.77 1.71 1.68 With a = 0.5 and the initial forecast for October of $1.73, using exponential smoothing, the forecast for periods 11 and 12 is (round your responses to two decimal places):

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
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I keep getting 3.481 but it is not correct. Please help.

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
Price Per Chip
Month
Price Per Chip
$1.85
January
February
$1.61
$1.60
July
August
September
$1.80
$1.85
$1.60
March
$1.85
$1.57
April
May
October
$1.90
November
$1.62
June
$1.95
December
$1.75
This exercise contains only part d.
With a = 0.1 and the initial forecast for October of $1.81, using exponential smoothing, the forecast for periods 11 and 12 is (round your responses to two decimal places):
Month
Oct
Nov
Dec
Forecast
$1.81
1.79
1.77
With a = 0.3 and the initial forecast for October of $1.77, using exponential smoothing, the forecast for periods 11 and 12 is (round your responses to two decimal places):
Month
Oct
Nov
Dec
Forecast
$1.77
1.71
1.68
With a = 0.5 and the initial forecast for October of $1.73, using exponential smoothing, the forecast for periods 11 and 12 is (round your responses to two decimal places):
Month
Oct
Nov
Dec
Forecast
$1.73
1.65
1.64
Based on the months of October, November, and December, the mean absolute deviation using exponential smoothing where a = 0.1 and the initial forecast for October = $1.81 is $
(round your response to three decimal places).
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 Price Per Chip Month Price Per Chip $1.85 January February $1.61 $1.60 July August September $1.80 $1.85 $1.60 March $1.85 $1.57 April May October $1.90 November $1.62 June $1.95 December $1.75 This exercise contains only part d. With a = 0.1 and the initial forecast for October of $1.81, using exponential smoothing, the forecast for periods 11 and 12 is (round your responses to two decimal places): Month Oct Nov Dec Forecast $1.81 1.79 1.77 With a = 0.3 and the initial forecast for October of $1.77, using exponential smoothing, the forecast for periods 11 and 12 is (round your responses to two decimal places): Month Oct Nov Dec Forecast $1.77 1.71 1.68 With a = 0.5 and the initial forecast for October of $1.73, using exponential smoothing, the forecast for periods 11 and 12 is (round your responses to two decimal places): Month Oct Nov Dec Forecast $1.73 1.65 1.64 Based on the months of October, November, and December, the mean absolute deviation using exponential smoothing where a = 0.1 and the initial forecast for October = $1.81 is $ (round your response to three decimal places).
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