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Find a 95 Percent Confidence Interval for μ1 - μ2,where Xˉ1=64\bar { X } _ { 1 } = 64

Question 67

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Find a 95 percent confidence interval for μ1 - μ2,where n1 = 9,n2 = 6, Xˉ1=64\bar { X } _ { 1 } = 64
Xˉ2=59\bar { X } _ { 2 } = 59
s12 = 6,and s22 = 3.(Assume equal population variances. )

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