Fortwocategoricalvariables X and Y , let ij = P(X = i, Y = j), i = 1,
Question:
Fortwocategoricalvariables X and Y , let πij = P(X = i, Y = j), i = 1, ...,r, j = 1, ...,c.
Consider H0: πij = P(X = i)P(Y = j) for all i and j with n observationshavingcellcounts
{yij}. Usingthemultinomialdistributionfor {yij} and theMLestimatefor πij of ˆπij,0 =
(yi+~n)(y+j~n) under H0 and ˆπij = yij~n under Ha, showthatthelikelihood-ratiostatisticfor testing H0 is
for ˆμij,0 = nˆπij,0. Specifyitslarge-sampledistribution.
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Related Book For
Foundations Of Statistics For Data Scientists With R And Python
ISBN: 9780367748456
1st Edition
Authors: Alan Agresti
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