Group Condition n Sample mean, x Is Service 57 14.68 105.32 No Service 17 14.26 96.82

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Q: Find a 95% confidence interval for a mean, µ, where n = 324, x̄ = 2.7, s = .91, and se = .06.

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Q: How do you solve? ref W9Q7.

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A: From the provided information, Sample size (n) = 4 Level of significance (α) = 0.05

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