Question: 13. Let X1, . . . , X16 and Y1, . . . , Y13 be two independent random samples from two normal populations with

13. Let X1, . . . , X16 and Y1, . . . , Y13 be two independent random samples from two normal populations with equal variances. Show that the p.d.f. of S2x

/S2 y is distributed as Snedecor’s F15,12.

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