(Answered)-8.11 If and and assuming that the population is normally distributed, construct a 95% confidence...

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8.11 If and and assuming that the population is normally distributed, construct a 95% confidence interval estimate for the population mean, 8.12 Determine the critical value of t in each of the following circumstances: a. b. c. d. e. 8.13 Assuming that the population is normally distributed, construct a 95% confidence interval estimate for the population mean for each of the following samples: Sample A: Sample B: Explain why these two samples produce different confidence intervals even though they have the same mean and range. 12345678 11118888 1 - a = 0.90, n = 16 1 - a = 0.95, n = 65 1 - a = 0.95, n = 32 1 - a = 0.99, n = 10 1 - a = 0.95, n = 10 m. X = 75, S = 24, n = 36, 8.14 Assuming that the population is normally distributed, construct a 95% confidence interval for the population mean, based on the following sample of size Change the number 20 to 7 and recalculate the confidence interval. Using these results, describe the effect of an outlier (i.e., an extreme value) on the confidence interval

 

Solution ID:10137787 | Question answered on 16-Oct-2016

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