Let X1, . . . , Xn be a sample from an N(μX, σ2) distribution and Y1, . . . , Ym be an i...

Let X₁, . . . , X_n be a sample from an N(μ_X, σ²) distribution and Y₁, . . . , Y_m be an independent sample from an N(μ_Y, σ²) distribution. Show how to use the F distribution to find