1.   Average ages and lengths of service could be updated progressively by accessing data from new payroll runs.

2.   Its average age will essentially depend on the ambient social structure.

3.   The average age of entering students was fourteen, and the usual level of preparation was correspondingly low.

4.   The average age of the students here is eighteen.

5.   The average number of children per family was two and their average age was three.

6.   Their average age was about twenty-five.

7.   There have, for example, been slight increases in average family size and in the average age at Marriage.

8.   This difference is accounted for by the younger average age of the snowball sample.

9.   What is the average age people grow out of it?

10.   As the average age of the population increases, there are more and more old people to care for.