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प्रश्न
The average of integers between −10 to 10 is __________
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उत्तर
The average of integers between −10 to 10 is 0
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संबंधित प्रश्न
Solve any two of the following.
Find the mean of the data given in the following table.
| Class | 0-20 | 20-40 | 40-60 | 60-80 | 80-100 |
| Frequency | 6 | 4 | 5 | 7 | 3 |
The mean of 5 observations is 50. One of the observations was removed from the data, hence the mean became 45. Find the observation which was removed.
The following table shows the number of saplings planted by 30 students. Fill in the boxes and find the average number of saplings planted by each student.
| No. of saplings (Scores) xi |
No. of students (frequency) fi |
fi x xi |
| 1 | 4 | 4 |
| 2 | 6 | `square` |
| 3 | 12 | `square` |
| 4 | 8 | `square` |
| N = `square` | ∑fixi = `square` |
Mean `bar "x"` = `square/"N"`
= `square/square`
= `square`
∴ The average number of trees planted `square`
The mean of a set of seven numbers is 81. If one of the numbers is discarded, the mean of the remaining numbers is 78. The value of discarded number is
The mean of 5, 9, x, 17 and 21 is 13, then find the value of x
The mean of first fifteen even numbers is ____________
If the arithmetic mean of 8, 4, x, 6, 2, 7 is 5, then the value of x is ______.
Mean of the observations can be lesser than each of the observations.
The marks in a subject for 12 students are as follows:
31, 37, 35, 38, 42, 23, 17, 18, 35, 25, 35, 29
For the given data, find the mean
The mean of three numbers is 10. The mean of other four numbers is 12. Find the mean of all the numbers.
