Listed below are systolic blood pressure measurements (mm Hg) taken from right and left arm of the same woman.
Right arm: 102, 101, 94, 79, 79
Left arm: 175, 169, 182, 146, 144
Develop a 90% confidence interval of the difference between right arm and left arm systolic blood pressure.
Use a 0.05 significance level to test for a difference between the measurements from the two arms. What do you conclude?