I have a set of data from a stratified sample. Some strata is composed of
just 3 lines. From this standpoint, is Fisher exact test the most
recommended?
On the other hand I have several Yes/No questions, and I would like to
findassociations between these variables. I have found that I can use
a test called tetrachoric correlation coefficient. I would like to
receive
some advice with this test.
Best regards,
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