13. Five mark exercise problem V

The mean and standard deviation of marks obtained by \(40\) students of a class in three subjects Mathematics, Science and Social Science are given below.

 

Subject	Mean	SD
Mathematics	\(56\)	\(12\)
Science	\(65\)	\(14\)
Social Science	\(60\)	\(10\)

 

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

 

Answer:

 

Highest variation is ScienceMathematicsSocial Science.

Lowest variation is Social ScienceMathematicsScience.