Is Blood Pressure the Same for Both Arms? Listed below are systolic blood pressure measurements (mm Hg) taken from the right and left arms of the same woman (based on data from “Consistency of Blood Pressure Differences Between the Left and Right Arms,” by Eguchi et al., Archives of Internal Medicine, Vol. 167). Use a 0.01 significance level to test for a difference between the measurements from the two arms. What do you conclude?

Right arm 102 101 94 79 79 Left arm 175 169 182 146 144