Chapter 8 1. How do you interpret the odds ratio here? DV: math (pass and fail; fail is the reference); IV: reading score, science score, SES - socioeconomic status ("ses" = lower class (reference group), "ses(1)" = middle class, "ses(2)" = upper class). Variables in the Equation 8 S.E. Wald df Sig Exp(B) Step read 098 025 15.199 000 1.103 1 science 066 027 5.867 015 1.068 ses 6.690 2 035 ses(1) 058 532 012 .913 1.060 ses(2) -1.013 444 5.212 022 .363 Constant -9.561 1.662 33.112 000 000 a. Variable(s) entered on step 1: read, science, ses