ICSE Class X Math 2015 Solved Paper
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Question : 11
Total: 52
The marks obtained by 30 students in a class assessment of 5 martks is given below :
Calculate the mean, median and mode of the above distribution.
| Marks | 0 | 1 | 2 | 3 | 4 | 5 |
| No. of Students | 1 | 3 | 6 | 10 | 5 | 5 |
Calculate the mean, median and mode of the above distribution.
Solution:
| x | f | fx | cf |
|---|---|---|---|
| 0 | 1 | 0 | 1 |
| 1 | 3 | 3 | 4 |
| 2 | 6 | 12 | 10 |
| 3 | 10 | 30 | 20 |
| 4 | 5 | 20 | 25 |
| 5 | 5 | 25 | 30 |
| Σf=30 | Σfx=90 |
Here,
(as highest frequency is 10)
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