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

Essay

Find a 95 percent confidence interval for μ₁ - μ₂,where n₁ = 15,n₂ = 10, $\bar { X } _ { 1 }$
= 1.94, $\bar { X } _ { 2 }$
= 1.04,s₁² = .2025 and s₂² = .0676.(Assume equal population variances. )