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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

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. What can beconcluded?

Right arm

149

146

128

138

136

Left arm

170

163

176

146

134

In thisexample, d is the mean value of the differences d for the population of all pairs ofdata, where each individual difference d is defined as the measurement from the right arm minus the measurement from the left arm. What are the null and alternative hypotheses for the hypothesistest?

A.

H0: d0

H1: d>0

B.

H0: d0

H1: d=0

C.

H0: d=0

H1: d<0

D.

H0: d=0

H1: d0

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