Here is the list of exercises on statistics. Each corrected exercise is accompanied by indications, reminders of the course, methodological advice which allows you to practice independently.
3 exercisesExercise example N°4401 :
In a library open from Tuesday to Saturday inclusive, we counted, day by day, the number of books lent during a week and we obtained the results in the following table:
| Tuesday | 73 |
|---|---|
| Wednesday | 16 |
| Thursday | 4 |
| Friday | 73 |
| Saturday | 79 |
statistics 9th Grade 10th Grade average
The purpose of this corrected statistics exercise is to practice calculating an arithmetic mean.
Exercise example N°4402 :
After a test, the marks of 26 students have been grouped in the table below :
| grade n | `0<=n<4` | `4<=n<8` | `8<=n<12` | `12<=n<16` | `16<=n<=20` |
|---|---|---|---|---|---|
| Number of students | 4 | 5 | 7 | ? | 7 |
statistics 9th Grade 10th Grade
The purpose of this corrected statistics exercise is to practice calculating the frequency of a series.
Exercise example N°4403 :
Here are the ages of the employees of a company, give the frequency of employees who are between 25 and 29 years old.
| Age | 20-24 | 25-29 | 30-39 | 40-49 | 49-60 |
|---|---|---|---|---|---|
| Employees | 2 | 6 | 2 | 1 | 3 |
statistics 9th Grade 10th Grade
The purpose of this corrected statistics exercise is to determine from a table the frequency of a series.