The following random sample was collected from a normally distributed population: 10, 8, 11, 11. What is the 95% confidence interval for µ? A. 8.52 to 10.98 B. 7.75 to 12.25 C. 11.39 to 8.61 D. 8.00 to 10.00
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x̄ = (10 + 8 + 11 + 11) / 4 x̄ = 40 / 4 x̄ = 10 Show more…
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