Independent random samples were selected from two quantitative populations, with sample sizes, means, and standard deviations given n₁ = 60, n₂ = 70₁x₁ = 35.2, x₂ = 31.2, S₁ = 5.2, S₂ = 3.9 Construct a 95% confidence interval for the difference in the population means (μ₁ - μ₂). (Round your answers to two decimal places.) X to X Find a point estimate for the difference in the population means. 4.0 Calculate the margin of error. (Round your answer to two decimal places.) X

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A: A left-tailed test:z = -1.17 P-value: 0.1210

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A: Given: n = 324, x̄ = 2.7, s = .91, se = .06.

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A:

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Q: I need help with #5

A: X 60 73 103 67 89 76 88 86 79 72 88 87

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A: Sample of  size(n)=75Sample mean()=26Population standard deviation(σ)=30