using a table to find the frequency of a statistical series
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 | 4 | 7 | 5 | 1 | 7 |
Course reminder : Statistics