Suppose a population $A $ has $100$ observations $ 101,102, . . .,200 $ and another population $B $ has $100$ observation $151,152, . . .,250$ .If $V_A$ and $V_B$ represent the variances of the two populations , respectively then $V_A / V_B$ is

  • [AIEEE 2006]
  • A

    $1$

  • B

    $\frac{9}{4}$

  • C

    $\frac{4}{9}$

  • D

    $\frac{2}{3}$

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