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प्रश्न
The median class for the given distribution is:
| Class Interval | 1 - 5 | 6 - 10 | 11 - 15 | 16 - 20 |
| Cumulative Frequency | 2 | 6 | 11 | 18 |
विकल्प
1 – 5
6 – 10
11 – 15
11 – 20
उत्तर
11 – 15
Explanation:
n = 18
`n/2 = 18/2 = 9`
9 lies between 6 to 11.
so, median class is 11 -15.
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संबंधित प्रश्न
Find the median and mode for the set of numbers:
2, 2, 3, 5, 5, 5, 6, 8 and 9
The marks obtained by 120 students in a mathematics test is given below:
| Marks | No. of students |
| 0 – 10 | 5 |
| 10 – 20 | 9 |
| 20 – 30 | 16 |
| 30 – 40 | 22 |
| 40 – 50 | 26 |
| 50 – 60 | 18 |
| 60 – 70 | 11 |
| 70 – 80 | 6 |
| 80 – 90 | 4 |
| 90 – 100 | 3 |
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- the number of student who obtained more than 75% in test.
- the number of students who did not pass in the test if the pass percentage was 40.
- the lower quartile.
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| x | 10 | 11 | 12 | 13 | 14 | 15 |
| f | 1 | 4 | 7 | 5 | 9 | 3 |
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| No. of trees | 10 | 16 | 20 | 14 | 6 | 4 |
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| No. of males | 6 | 10 | 25 | 32 | 43 | 50 |
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