 - 1. 1. What is the mean age of the service crew?
 - 2. 2. Is there someone in this group who has this age? Yes or No?
- 3. 3. How many persons are older than the mean age?
- 4. 4. How many are younger than the mean age?
- 5. 5. Arrange the ages in ascending order.
- 6. 6. What is the middle age?
- 7. 7. How many crews are younger than the median? Older than the median?
- 8. 8. How many crews are have the same age?
- 9. 9. What age that most occurs in the data? Who are they?
- 10. 10. How many crews are younger than the mode? Older than the mode?
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