The following table shows the information about marks obtained in Physics,Chemistry,Mathematics,and Biology by $100$ students in a class. Which subject shows the highest variability in marks?
PhysicsChemistryMathematicsBiology
Mean$20$$25$$23$$27$
$S$.$D$.$3$$2$$4$$5$

  • A
    Mathematics
  • B
    Chemistry
  • C
    Biology
  • D
    Physics

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