1. What is the forecast for week 101 using last period demand? 2. What is the forecast for week 101 using simple average? 3. What is the forecast for week 101 using 5-week moving average?

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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File Edit View Insert
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Draw
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Last Period Demand
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Accessibility: Good to go
Format Tools Data Window Help
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Formulas
Data Review View
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Moving Average
n=5
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Linear Regression
Tell me
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Transcribed Image Text:Home F34 288898848399E- 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 108 107 108 109 110 111 A Week 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 Excel Ready Insert B Demand 192 176 153 196 198 130 186 193 129 186 155 128 169 185 201 137 223 140 201 179 203 194 165 236 218 195 189 218 201 204 199 202 202 225 185 262 169 211 188 222 262 240 198 216 233 285 273 275 267 204 212 279 239 File Edit View Insert AutoSave OFF Draw X ✓ fx C Template Last Period Demand + A B 9 9. Page Layout Accessibility: Good to go Format Tools Data Window Help 20 D 2.900 Simple Average Formulas Data Review View E Moving Average n=5 F Linear Regression Tell me G
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1. What is the forecast for week 101 using last period demand?
2. What is the forecast for week 101 using simple average?
3. What is the forecast for week 101 using 5-week moving average?
4. What is the forecast for week 101 using linear regression?
5. Which method do you think is best in this instance and why? (I leave this open to you how you approach this
answer. You can, for example, calculate and compare forecast accuracy, graph the demand and interpret the
pattem, or simply provide a compelling arguement for one method over the others.)
+
E
Transcribed Image Text:1234567 F34 8 9 10 11 1213 145 6 7 8 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 38 37 38 3 16 17 18 36 39 40 41 42 43 44 45 46 47 48 49 38883485 50 51 52 63 A Week 56 57 58 60 60 61 62 63 64 1234567 8 y 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 wou 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 Demand 46 100 17 58 59 B 60 61 62 34 60 73 96 87 81 39 82 78 74 111 108 100 65 78 80 109 95 125 78 87 101 123 142 56 92 153 112 145 144 117 139 127 149 84 163 103 169 123 104 152 142 122 184 192 176 153 196 198 130 186 193 129 186 155 128 169 185 201 X fx Template C Last Period Demand + D Simple Average E Moving Average n=5 F Linear Regression G 1. What is the forecast for week 101 using last period demand? 2. What is the forecast for week 101 using simple average? 3. What is the forecast for week 101 using 5-week moving average? 4. What is the forecast for week 101 using linear regression? 5. Which method do you think is best in this instance and why? (I leave this open to you how you approach this answer. You can, for example, calculate and compare forecast accuracy, graph the demand and interpret the pattem, or simply provide a compelling arguement for one method over the others.) + E
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