A researcher wishes to determine whether people with high blood presssure can lower their blood pressure by performing yoga exercises. A treatment group and a control group are selected. The sample statistics are given below. Construct a 90% confidence interval for the difference between the two population means, u1-u2. Would you recommend using yoga exercises? Treatment Group n1= 100 x= 178 s1=35 Control Group n2= 100 x2= 193 s2= 37

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A researcher wishes to determine whether people with high blood presssure can lower their blood pressure by performing yoga exercises. A treatment group and a control group are selected. The sample statistics are given below. Construct a 90% confidence interval for the difference between the two population means, u1-u2. Would you recommend using yoga exercises?

Treatment Group

n1= 100

x= 178

s1=35

Control Group

n2= 100

x2= 193

s2= 37

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