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The Fisher exact test
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Give four positive integer numbers.
Non decimal numbers larger than one.

Col 1:Col 2:
Row 1:
Row 2:

The Fisher's Exact test procedure
calculates an exact probability
value for the relationship between
two dichotomous variables, as
found in a two by two crosstable.
The program calculates the difference
between the data observed and the
data expected, considering the given
marginal and the assumptions of the
model of independence.