The following results come from two independent random samples taken of two populations. Sample 1 n₁ = 50 = 13.6 Sample 2 "2 = 25 X₂ = 11.6 0₂ = 3 (a) What is the point estimate of the difference between the two population means? (Use x₁ - x₂.) %1 = 2.5 (b) Provide a 90% confidence interval for the difference between the two population means. (Use X₁ X₂. Round your answers to two decimal places.) to (c) Provide a 95% confidence interval for the difference between the two population means. (Use ₁ - X₂. Round your answers to two decimal places.) to

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