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Get Answers to all your Questions
Draw a ‘less than’ ogive for the following distribution. Hence, find median from the graph.
| Marks | Number of Students |
| 0-10 | 2 |
| 10-20 | 8 |
| 20-30 | 12 |
| 30-40 | 10 |
| 40-50 | 16 |
| 50-60 | 8 |
| 60-70 | 3 |
| 70-80 | 1 |
Answers (1)
| Marks | Number of Students (Cumulative frequancy) |
| less than 10 | 2 |
| less than 20 | 10 |
| less than 30 | 22 |
| less than 40 | 32 |
| less than 50 | 48 |
| less than 60 | 56 |
| less than 70 | 59 |
| less than 80 | 60 |
Taking upper-class interval on the x-axis and their respective frequencies on the y-axis, Plot point (10,2), (20,10), (30,22), (40,32), (50,48), (60, 56), (70,59), (80,60).
The Median is approx 44.
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