The choice of statistical tests illustrated on the interpretation of data classed in a 2 X 2 table.

PAGE (i) Introductory . . . . . . . . . . . . 139 (ii) The choice of statistical tests . . . . . . . . . 142 (iii) Application of this approach to the analysis of data classed in a 2 x 2 table 144 (iv) Problem I . . . . . . 144 (v) Problem II . . . . . . . . . . . . . 147 (vi) Solution of Problem II, using the normal approximation . . . 151 (vii) The classical approach to Problem II . . . . . . 157 (viii) Problem III . . . . . . . . . . . 158 (ix) General comment . . . . . . . . . . . 160 References . . . . . . . . . . . . . 163 Appendix . . . . . . . . . . . . . 164