Question

Suppose a population A has 100 observations 101, 102, ............., 200 and another population B has 100 obsevrations 151, 152, ................ 250. If $V_{A}\ and\ V_{B}$ represent the variances of the two populations, respectively then $\frac{V_A}{V_B}$ is
(a) 1
(b) $\frac{9}{4}$
(c) $\frac{4}{9}$
(d) $\frac{2}{3}$

Answer 1

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 …