Fisher’s Exact Probability Test is used when:

(a) The calculations for c2 are too diffi cult

(b) You have more than 25% of cells with expected frequencies of less than 5 in a 2 ¥ 2 design

(c) You have more than 25% of cells with expected frequencies of less than 5 in a 3 ¥ 2 contingency table

(d) You have non-categorical data