The mean systolic blood pressure was measured in a sample population of elderly females and came out to be 125 mm Hg with a standard detion of 10. 95 percent of people would have blood pressure above:
105 mm Hg
110 mm Hg
115 mm Hg
140 mm Hg
Ans: B. 110 mm Hg(Ref: Park 24/e p 886)