Question: 6.11 For the control median test statistic V, use Problem 2.28, or otherwise, to show that when FX FY, E(V) m 2 and

6.11 For the control median test statistic V, use Problem 2.28, or otherwise, to show that when FX ¼ FY, E(V) ¼

m 2

and var(V) ¼

2r þ m þ 2 4m(2r þ 3)

[Hint: Use the fact that E(X) ¼ EYE(XjY) and var(X) ¼ varYE

(XjY) þ EYvar(XjY)]

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