4. Let Xi, , xn be a sample from N(μ, σ2). Use the distributions of sarnple...

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4. Let Xi, , xn be a sample from N(μ, σ2). Use the distributions of sarnple mean X and sample variance s2 and Basus theorem to show that sample mean and sample variance are independent.

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4. Let Xi, , xn be a sample from N(μ, σ2). Use the distributions of sarnple...

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