| 1 | We average 8 hours (work) a day. | |
| 2 | We work eight hours a day on average. | |
| 3 | It means that without doing anything, I know the average translational energy of the molecules in this room. | |
| 4 | We might not have the best scores on average, but our institutions have some of the brightest minds in the world. | |
| 5 | The average age of the boys in this class is fifteen. |
