The following grouped frequency distribution records the marks obtained by a group of…
MATHEMATICS · Single correct · CBSE · Mathematics · Statistics · Statistics
Problem
The following grouped frequency distribution records the marks obtained by a group of students in a class test.| Marks (class interval) | Frequency |
|---|---|
| 0–10 | 4 |
| 10–20 | 6 |
| 20–30 | x |
| 30–40 | 5 |
| 40–50 | 3 |