Dear Allstat users:
I am analysing some data on the sensitivity (for a particular type of
antibody) of 3 different assays on the same set of blood samples. I
therefore need to test the differences in 3 proportions from the
same data. Obviously McNemars test deals with two paired
proportions but is there any text book which gives the relevant test
statistic for three dependent proportions? The same problem
arises when I want to compare medians from the three groups. Can
anybody point me in the right direction ?
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