After a test, the grades of 15 students were grouped in the table reproduced below :
grade n | `0<=n<4` | `4<=n<8` | `8<=n<12` | `12<=n<16` | `16<=n<=20` |
---|---|---|---|---|---|
Number of students | 16 | 8 | 3 | ? | 2 |
This math quiz allows you to practice basic statistical calculations.
This quiz allows you to master the following statistical techniques:
The quiz uses the different statistical resources available on the site , namely, calculators and course reminders.