1.

The mean and standard deviation of marks obtained by 50 students of a class in three subjects, mathematics, physics and chemistry are given below : SubjectMathematicsPhysicsChemistryMean423240.9Standard deviation121520 Which of the three subjects shows the highest variability in marks and which shows the lowest ?

Answer»

The mean and standard deviation of marks obtained by 50 students of a class in three subjects, mathematics, physics and chemistry are given below :

SubjectMathematicsPhysicsChemistryMean423240.9Standard deviation121520

Which of the three subjects shows the highest variability in marks and which shows the lowest ?



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