Question: 10.1.1 Statistic Gk, defined fork = 1 , 2 as n n was proposed as a measure of variation by Jordan (1869). Show that G2

10.1.1 Statistic Gk, defined fork = 1 , 2 as n n n n 1 Gk = (n-1) . - *, *, i=1 j=1 was proposed as a measure of variation by Jordan (1869). Show that G2 = 2S2, where S2 is given by formula (10.1).

n n 1 Gk = (n-1) . - *, *, i=1 j=1

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