Mathematics
Marks obtained by 70 students are given below :
| Marks | No. of students |
|---|---|
| 20 | 8 |
| 70 | 12 |
| 50 | 18 |
| 60 | 6 |
| 75 | 9 |
| 90 | 5 |
| 40 | 12 |
Calculate the median marks.
Related Questions
The mean of the numbers 1, 7, 5, 3, 4, 4 is m. The numbers 3, 2, 4, 2, 3, 3, p have mean m - 1 and median q. Find (i) p (ii) q (iii) the mean of p and q.
Find the median for the following distribution :
Wages per day (in ₹) No. of workers 38 14 45 8 48 7 55 10 62 6 65 2 Calculate the mean and the median for the following distribution :
Number Frequency 5 1 10 2 15 5 20 6 25 3 30 2 35 1 The daily wages (in rupees) of 19 workers are :
41, 21, 38, 27, 31, 45, 23, 26, 29, 30, 28, 25, 35, 42, 47, 53, 29, 31, 35.
Find :
(i) the median
(ii) lower quartile
(iii) upper quartile
(iv) inter quartile range