Students of two sections $A$ and $B$ of a class show the following results in a test conducted for $100$ marks. Then
Section $A$ Section $B$
Number of students $50$ $60$
Average marks in the test $45$ $45$
Variance of distribution of marks $64$ $81$

  • A
    variability of section $B >$ variability of section $A$
  • B
    variability of section $A >$ variability of section $B$
  • C
    variability of section $A = $ variability of section $B$
  • D
    The data is not sufficient to compare the variability of the sections

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