UPSC NDA 2 2022 Mathematics Solved Paper
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Consider the following for the next two (2) items that follow :
The mean and standard deviation (SD) of marks obtained by 50 students of a class in 4 subjects are given below:
The mean and standard deviation (SD) of marks obtained by 50 students of a class in 4 subjects are given below:
| Subject | Mathematics | Physics | Chemistry | Biology |
| Mean Marks | 40 | 28 | 38 | 36 |
| SD | 15 | 12 | 14 | 16 |
[NDA II 2022]
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Question : 117 of 120
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What is the coefficient of variation of marks in Mathematics?
[NDA II 2022]
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