Practical Management Science
Practical Management Science
6th Edition
ISBN: 9781337406659
Author: WINSTON, Wayne L.
Publisher: Cengage,
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please answer all parts of the question within 30 minutes with detailed explanation. Make sure calculation form part of the answer and are in details for better understanding. If calculations are not shown or are poorly done i will surely give negative ratings.
The manager of a travel agency has been using a seasonally adjusted forecast to predict demand for packaged tours. The actual and
predicted values are as follows:
Period Demand
Predicted
1
136
113
2
196
200
3
156
150
4
91
102
5
86
80
6
131
135
7
126
128
129
124
94
109
10
149
150
11
104
94
12
89
80
13
124
140
14
134
128
Click here for the Excel Data File
a. Compute MAD for the fifth period, then update it period by period using exponential smoothing with a = .05. (Round your
intermediate calculations and final answers to 3 decimal places.)
t
Period
MADt
1
2
3
4
5
6
7
8
9
10
11
12
13
14
8
9
expand button
Transcribed Image Text:The manager of a travel agency has been using a seasonally adjusted forecast to predict demand for packaged tours. The actual and predicted values are as follows: Period Demand Predicted 1 136 113 2 196 200 3 156 150 4 91 102 5 86 80 6 131 135 7 126 128 129 124 94 109 10 149 150 11 104 94 12 89 80 13 124 140 14 134 128 Click here for the Excel Data File a. Compute MAD for the fifth period, then update it period by period using exponential smoothing with a = .05. (Round your intermediate calculations and final answers to 3 decimal places.) t Period MADt 1 2 3 4 5 6 7 8 9 10 11 12 13 14 8 9
b. Compute a tracking signal for periods 5 through 14 using the initial and updated MADs. (Negative values should be indicated by a
minus sign. Round your intermediate calculations and final answers to 3 decimal places.)
t
Tracking
Signal
Period
1
2
3
4
5
5
6
7
8
9
10
11
12
13
14
expand button
Transcribed Image Text:b. Compute a tracking signal for periods 5 through 14 using the initial and updated MADs. (Negative values should be indicated by a minus sign. Round your intermediate calculations and final answers to 3 decimal places.) t Tracking Signal Period 1 2 3 4 5 5 6 7 8 9 10 11 12 13 14
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