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A concert promoter is forecasting this year's attendance for one of his concerts based on the following historical data: Year Attendance Four Years ago 10,000
A concert promoter is forecasting this year's attendance for one of his concerts based on the following historical data:
Year | Attendance |
Four Years ago | 10,000 |
Three Years ago | 12,000 |
Two Years ago | 18,000 |
Last Year | 20,000 |
The previous trend line had predicted 18,500 for two years ago, and 19,700 for last year. What was the mean absolute deviation for these forecasts?
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