的意思 average number

1. The average number of students in each class is 25.
每个班级的平均人数是25。

2. The average number of hours worked per week is 40.
每周工作的平均小时数是40。

3. The average number of goals scored per game is 2.
每场比赛的平均进球数是2。

4. The average number of customers served per day is 100.
每天服务的平均客户数量是100。

5. The average number of books read per month is 5.
每月阅读的平均书籍数量是5。

6. The average number of accidents reported per year is 50.
每年报告的平均事故数量是50。