Compare proportion by Chi square test Drugs Effect of drug total Sampl effective Not effective e rates Druga 41 4591.1 Drug B 24 41 3568.6 total 65 15 70 Are the 2 population proportions equal or not? How categorical variables are distributed among 2 population?8 Compare proportion by Chi￾square test ▪ Are the 2 population proportions equal or not? ▪ How categorical variables are distributed among 2 population? Drugs Effect of drug total Sampl effective Not effective e rates Drug A 41 4 45 91.1 Drug B 24 11 35 68.6 total 65 15 70