Mathematics
The marks obtained by 30 students in a class assessment of 5 marks is given below :
| Marks | No. of students |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 6 |
| 3 | 10 |
| 4 | 5 |
| 5 | 5 |
Calculate the mean, median and mode of the above distribution.
Related Questions
Find the mode and median of the following frequency distribution :
x f 10 1 11 4 12 7 13 5 14 9 15 3 In a class of 40 students marks obtained by the students in a class test (out of 10) are given below :
Marks Number of students 1 1 2 2 3 3 4 3 5 6 6 10 7 5 8 4 9 3 10 3 Calculate the following for the given distribution :
(i) median
(ii) mode.
The distribution table given below shows the marks obtained by 25 students in an aptitude test. Find the mean, median and mode of the distribution.
Marks obtained No. of students 5 3 6 9 7 6 8 4 9 2 10 1 The following table gives the weekly wages (in ₹) of workers in a factory :
Weekly wages (in ₹) No. of workers 50 - 55 5 55 - 60 20 60 - 65 10 65 - 70 10 70 - 75 9 75 - 80 6 80 - 85 12 85 - 90 8 Calculate :
(i) the mean.
(ii) the modal class.
(iii) the number of workers getting weekly wages below ₹80.
(iv) the number of workers getting ₹65 or more but less than ₹85 as weekly wages.