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प्रश्न
Find the median of 9, 3, 20, 13, 0, 7 and 10
उत्तर
9, 3, 20, 13, 0, 7 and 10
Arranging in ascending order: 0, 3, 7, 9, 10, 13, 20
Here, number of terms = 7 which is odd
∴ Median =`("n"+1)/2=(7+1)/2`th term = 4th term = 9
Hence, median = 9
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संबंधित प्रश्न
Attempt this question on a graph paper. The table shows the distribution of marks gained by a group of 400 students in an examination.
|
Marks (Less than ) |
10 | 20 | 30 | 40 | 50 | 60 | 70 | 80 | 90 | 100 |
| No.of student | 5 | 10 | 30 | 60 | 105 | 180 | 270 | 355 | 390 | 400 |
Using scaie of 2cm to represent 10 marks and 2 cm to represent 50 student, plot these point and draw a smooth curve though the point
Estimate from the graph :
(1)the median marks
(2)the quartile marks.
Find the mean, median and mode of the following marks obtained by 16 students in a class test marked out of 10 marks:
0, 0, 2, 2, 3, 3, 3, 4, 5, 5, 5, 5, 6, 6, 7 and 8.
Find the mean of all odd numbers from 5 to 20. Find the new mean when each number is multiplied by 4.
If different values of variable x are 19.8, 15.4, 13.7, 11.71, 11.8, 12.6, 12.8, 18.6, 20.5 and 2.1, find the mean.
If the mean of 8, 10, 7, x + 2 and 6 is 9, find the value of x.
The heights (in cm) of 8 girls of a class are 140, 142, 135, 133, 137, 150, 148 and 138 respectively. Find the mean height of these girls and their median height.
Find the mean and the median of: 5, 8, 10, 11,13, 16, 19 and 20
Find the median of the given data: 35, 25, 34, 36, 45, 18, 28
The median first 6 odd natural numbers is ____________
The median class for the given distribution is:
| Class Interval | 1 - 5 | 6 - 10 | 11 - 15 | 16 - 20 |
| Cumulative Frequency | 2 | 6 | 11 | 18 |
