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प्रश्न
The weights (in kg) of 10 students of a class are given below:
21, 28.5, 20.5, 24, 25.5, 22, 27.5, 28, 21 and 24.
Find the median of their weights.
उत्तर
Arranging the given data in descending order:
28.5, 28, 27.5, 25.5, 24, 24, 22, 21, 21, 20.5
The middle terms are 24 and 24, 5th and 6th terms
∴ Median = `(24 + 24)/2`
= `48/2`
= 24
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संबंधित प्रश्न
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| 600 – 800 | 8 |
| 800 – 1000 | 22 |
| 1000 – 1200 | 40 |
| 1200 – 1400 | 18 |
| 1400 - 1600 | 12 |
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The numbers 6, 8, 10, 12, 13 and x are arranged in an ascending order. If the mean of the observations is equal to the median, find the value of x
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| Less than 140 | 4 |
| Less than 145 | 11 |
| Less than 150 | 29 |
| Less than 155 | 40 |
| Less than 160 | 46 |
| Less than 165 | 51 |
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From the following data, find:
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| Frequency | 7 | 10 | 16 | 32 | 24 | 16 | 11 | 5 | 2 |
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| Number of days : | 22 | 10 | 8 | 15 | 5 | 6 |
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