A researcher wishes to determine whether people with high blood pressure 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,

Would you recommend using yoga exercises? Explain your reasoning.
Treatment Group
Control Group
n
1 = 100
n
2 = 100
1 = 178
2 = 193
s
1 = 35
s
2 = 37