Table 2.17 contains results of a study comparing radiation therapy with surgery

in treating cancer of the larynx. Use Fisher's exact test to testH0: ? = 1 against

Ha: ? > 1. Interpret results.

Table 2.17. Data for Problem 2.30 Cancer Cancer Not Controlled Controlled Surgery 21 2 Radiation therapy 15 3 Source: W. Mendenhall et al., Int. J. Radiat. Oncol. Biol. Phys., 10: 357-363, 1984. Reprinted with permission from Elsevier Science Ltd