The distribution below shows the scores obtained by students in an aptitude test
MATHEMATICS · Multi-part · CBSE · Mathematics · Statistics · Statistics
Problem
The distribution below shows the scores obtained by students in an aptitude test.| Score | 30–40 | 40–50 | 50–60 | 60–70 | 70–80 | 80–90 |
|---|---|---|---|---|---|---|
| Number of students | 7 | x | 25 | y | 11 | 5 |