//problem 1 prtesti 248 77 0.37, count level(95) //problem 2 prtesti 248 77 0.36, count level(95) //problem 3 ttesti 100 8.5 3.4 8.4, level(90) //problem 4 clear all use "C:\Users\Fares\Documents\PH538\STATA\lab1\diabetesfall16.dta" //a prtest diab==0.12, level(95) //b ttest hdl==52, level(95) //c ttest age==46, level(95)