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Question
A restaurant has tracked the number of meals served at lunch over the last four weeks. The data show little in terms of trends, but do display substantial variation by day of the week. Use the following information to determine the seasonal (daily) indices for this restaurant.
| Week | ||||
| Day | 1 | 2 | 3 | 4 |
| Sunday | 40 | 35 | 39 | 43 |
| Monday | 54 | 55 | 51 | 59 |
| Tuesday | 61 | 60 | 65 | 64 |
| Wednesday | 72 | 77 | 78 | 69 |
| Thursday | 89 | 80 | 81 | 79 |
| Friday | 91 | 90 | 99 | 95 |
| Saturday | 80 | 82 | 81 | 83 |
Answer
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