Mathematics
Calculate the median of the following frequency distribution:
| Weight (in nearest kg) | Number of students |
|---|---|
| 45 | 8 |
| 46 | 5 |
| 48 | 6 |
| 50 | 9 |
| 52 | 7 |
| 54 | 4 |
| 55 | 2 |
Related Questions
The weights (in kg) of 8 children are given below:
10.6, 12.7, 9.8, 17.2, 13.4, 15, 16.5, 14.3
Find the median weight.
(i) The median of the observations 11, 12, 14, 18, (x + 4), 30, 32, 35, 41 arranged in ascending order is 24. Find the value of x.
(ii) If 10, 13, 15, 18, x + 1, x + 3, 31, 36, 38, 42 are the observations arranged in ascending order with median 28, find the value of x.
Find the median of the following frequency distribution:
Variate Frequency 17 5 20 9 15 3 22 4 30 10 25 6 50 persons were examined through X-ray and observations were noted as under:
Diameter of heart (in mm) Number of patients 120 5 121 8 122 12 123 9 124 6 125 10 Find :
(i) The mean diameter of heart,
(ii) The median diameter of heart.