Mathematics
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 |
Related Questions
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 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.
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.
Draw a histogram for the following frequency distribution and find the mode from the graph :
Class Frequency 0 - 5 2 5 - 10 5 10 - 15 18 15 - 20 14 20 - 25 8 25 - 30 5