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.
Exercise example :
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 |
Exercise example :
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 |
Exercise example :
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 |
The statistics topic is available for : 9th Grade, 10th Grade
List of exercises by class : middle and high schools, 6th Grade, 7th Grade, 8th Grade, 9th Grade, 10th Grade, 11th Grade, 12th Grade.