Suppose a population A has 100 observations 101, 102,........, 200, and another population B has 100 observations 151, 152,......., 250. If VA and VB represent the variances of the two populations, respectively, then ${{{V_A}} \over {{V_B}}}$ is

Question

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

${9 \over 4}$

${4 \over 9}$

${2 \over 3}$

Solution

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