Solve the following: The mean and standa...

Solve the following: The mean and standard deviation of marks obtained by 50 students of a class in three subjects, maths, physics and chemistry are given below:
Which subject shows the highest variability in marks and which shows the lowest?

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Solve the following: The mean and standard deviation of marks obtained by 50 students of a class in three subjects, maths, physics and chemistry are given below: Which subject shows the highest variability in marks and which shows the lowest?

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Solve the following: The mean and standard deviation of marks obtained by 50 students of a class in three subjects, maths, physics and chemistry are given below:
Which subject shows the highest variability in marks and which shows the lowest?