Mathematics
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
Related Questions
The following table shows the weights of 15 students :
Weight (in kg) Number of students 47 4 50 3 53 2 56 2 60 4 Calculate :
(i) mean
(ii) median
(iii) mode
Calculate the mean, median and mode of the following distribution:
Number Frequency 5 1 10 2 15 5 20 6 25 3 30 2 35 1 The following table gives the daily wages of workers in a factory :
Daily wages (in ₹) Number of workers 200 - 220 5 220 - 240 20 240 - 260 10 260 - 280 10 280 - 300 9 300 - 320 6 320 - 340 12 340 - 360 8 Find :
(i) the mean
(ii) the modal class
(iii) the number of workers getting daily wages below ₹ 300
(iv) the number of workers getting ₹ 260 or more but less than ₹ 340 as daily wages.
For the following frequency distribution, draw a histogram. Hence, calculate the mode.
Marks Frequency 0 - 5 10 5 - 10 14 10 - 15 28 15 - 20 42 20 - 25 50 25 - 30 30 30 - 35 14 35 - 40 12