In a study of boxers, computer tomography revealed brain atrophy in 3 of 6 professionals and 1 of 8 amateurs (Kaste et al XXXXXXXXXXThese groups could be compared using: (a) Fisher’s exact test; (b)...

In a study of boxers, computer tomography revealed brain atrophy in 3 of 6 professionals and 1 of 8 amateurs (Kaste et al. 1982). These groups could be compared using:

(a) Fisher’s exact test;

(b) the chi-squared test;

(c) the chi-squared test with Yates’ correction;

(d) McNemar’s test;

(e) the two sample t test.