Blood pressure in women: The three quartiles for systolic blood pressure in a sample of 1213 women between the ages of 20 and 29 were =Q1=100, Q2109, and Q3 = 112 . Part 1 of 3 Find the IQR. IQR = 12 . Part: 1 / 3 1 of 3 Parts Complete Part 2 of 3 Find the upper and lower outlier boundaries. The lower outlier boundary is . The upper outlier boundary is .