2) A nurse measured the blood pressure of each person who visited her clinic. Following is a relative frequency histogram for the systolic blood pressure readings for those people aged between 25 and 40 years. The blood pressure readings were given to the nearest whole number. Approximately what percentage of the people aged 25-40 had a systolic blood pressure reading between 110 and 139 mm Hg inclusive? Systolic Blood Pressure for People Aged 25-40 Years Relative Frequency 0.35- 0.30- 0.25 0.20 0.15 0.10 0.05- 0.00 100 110 120 130 140 150 160 Systolic Blood Pressure (mm Hg) A) 89% B) 59% C) 75% D) 39% 3) Find the standard deviation for the given sample data. Round your answer to one more decimal place than the original data. I 3) 22.6 16.1 36.1 36.0 23.8 A) 3999.0 B) 8.35 20.3 C) 4347.7 D) 36.1 LTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Determine which level of measurement is appropriate. Salaries of college professors. A) Ordinal B) Nominal C) Interval D) Ratio 1)