Mathematics
Mathematics
Problem
The following grouped data show the marks obtained by a group of students:| Marks (class interval) | 10–20 | 20–30 | 30–40 | 40–50 | 50–60 |
|---|---|---|---|---|---|
| Number of students | 4 | 7 | k | 5 | 4 |
Mathematics
| Marks (class interval) | 10–20 | 20–30 | 30–40 | 40–50 | 50–60 |
|---|---|---|---|---|---|
| Number of students | 4 | 7 | k | 5 | 4 |