Listed below are systolic blood pressure measurements (mm Hg) taken from the right and left arms of the same woman. Assume that the paired sample data is a simple random sample and that the differences have a distribution that is approximately normal. Use a 0.05

significance level to test for a difference between the measurements from the two arms.

Right arm: 151, 144, 121, 139, 133

Left arm: 167, 168, 186, 150, 134

What are the null and alternative hypothesis test?

Identify test statistic.

What is the p value?

What is the conclusion based on the hypothesis test?