NDA2022MathematicsStatisticsActual
The mean and standard deviation (SD) of marks obtained by 50 students of a class in 4 subjects are given below: array |c|c|c|c|c| Subject & Mathematics & Physics & Chemistry & Biology array c Mean Marks array & 40 & 28 & 38 & 36 SD & 15 & 12 & 14 & 16 array What is the coefficient of variation marks in Mathematics?
Options
- A37.5 %
- B38.0 %
- C38.5 %
- D39.0 %
Correct answer
A. 37.5 %
Step-by-step solution
C.V. of mathematics =37.5 %