Suppose that X₁, X₂ populations with means distribution of the random variable n → ∞. (Hint: Consider W, X, Y,, for i = X and Y n M₁ and Y 2', Y are independent random samples from n 1' 2 μ₂ and variances and respectively. Show that the converges to a standard normal distribution function as 1, 2, ..., n.)

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