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प्रश्न
The data 6, 4, 3, 8, 9, 12, 13, 9 has mean 9.
विकल्प
True
False
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उत्तर
This statement is False.
Explanation:
The given data is 6, 4, 3, 8, 9, 12, 13, 9
Mean = `(6 + 4 + 3 + 8 + 9 + 12 + 13 + 9)/8`
= `64/8`
= 8
संबंधित प्रश्न
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 the square of first 11 natural numbers is
If the average selling price of 15 books is ₹ 235, then the total selling price is __________
The mean of runs scored by a cricket team in the last 10 innings is 276. If the scores are 235, 400, 351, x, 100, 315, 410, 165, 260, 284, then find the runs scored in the fourth innings
The average of two numbers are 20. One number is 24, another number is ____________
Find the mean and mode of 6, 11, 13, 12, 4, 2
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
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