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प्रश्न
Find the median of 3.2, 4.8, 5.6, 5.6, 7.3, 8.9 and 9.1
उत्तर
Given data = 3.2, 4.8, 5.6, 5.6, 7.3, 8.9 and 9.1
Clearly, middle term is 5.6.
∴ Median = 5.6
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संबंधित प्रश्न
The following table gives the age of 50 student of a class. Find the arithmetic mean of their ages.
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| No. of students | 2 | 7 | 21 | 17 | 3 |
Find the mode of the following data:
9, 11, 8, 11, 16, 9, 11, 5, 3, 11, 17 and 8
The following table shows the expenditure of 60 boys on books. Find the mode of their expenditure:
| Expenditure (Rs) | No. of students |
| 20 – 25 | 4 |
| 25 – 30 | 7 |
| 30 – 35 | 23 |
| 35 – 40 | 18 |
| 40 – 45 | 6 |
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A boy scored following marks in various class tests during a term; each test being marked out of 20.
15, 17, 16, 7, 10, 12, 14, 16, 19, 12 and 16
What are his modal marks?
Find the mode of the following:
15, 17, 16, 17, 10, 12, 14, 16, 19, 12, 16, 15, 16
Find the median of all prime numbers between 20 and 50
The following observations have been arranged in ascending order. If the median of these observations is 58, find the value of x.
24, 27, 43, 48, x - 1, x + 3, 68, 73, 80, 90
Find the mean of first five prime numbers.
Find the mean and the median of: 10,12, 12, 15, 15, 17, 18, 18, 18 and 19
An incomplete frequency distribution is given below
| Variate | Frequency |
| 10 – 20 | 12 |
| 20 – 30 | 30 |
| 30 – 40 | ? |
| 40 – 50 | 65 |
| 50 – 60 | 45 |
| 60 – 70 | 25 |
| 70 – 80 | 18 |
| Total | 229 |
Median value is 46, the missing frequency is:
