ID=180202124

Test of independence Q1. In an experiment to study the dependence of hypertension on smoking habits, the following data were taken on 200 individuals. Non-smokers Moderate smokers Heavy smokers Hypertension 26 41 35 No hypertension 53 26 19 Test the hypothesis that the presence or absence of hypertension is independent of smoking habits. Use 0.10 level of significance