how do I figure out (using excel) using the data below to calculate the odds ratio that females will have a GPA score above the mean, compared to males. when gender 1=males and 2=females. I have tried several types of formulas but I can't seem to separate the data,

G H K L M N O P Q C E F B Engl EngG GPA d GPA SocProb Dropout CaseNum ADDSC Gender Repeat 2.6 15 O 111 102 2.75 50 Gender coding 49 108 males 2.25 N P 55 109 Females PHPOOOO 39 118 68 2.25 69 56 .33 PARTC GPA above the mean Gender Yes No Total Females Males 46 - W W W W W N D N N N N W N W W P W P P N N D W A N W N W W A D P D N N W N A W W J W N N W . U N N N N N N W N N P N N N H N N N B N N N N B N N U N N N N N N N N 50 47 50 44 50 29 49 26 34 1.7 36 35 00 1 37 36 101 38 37 46 39 38 108 40 39 95 41 40 52 98 75 ADD.DATA (B) C +