Question 1 Calculate the two sided 95 confidence interval for the population standard deviation (sigma) given that a sample of size n 18 yields a sample standard deviation of 6 93 Your answer O 8 20 sigma 0 30 O 1 14 sigma 12 53 2 26 sigma 6 37 9 82 Question 2 Calculate the 95 confidence interval for the difference (mu1 mu2) of two population means given the following sampling results Population 1 sample size 22, sample mean 11 43, sample standard deviation 3 57 Population 2 sample size 14, sample mean 4 72, sample standard deviation 1 06 Your answer 5 04

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Question: Question 1 Calculate the two-sided 95% confidence interval for the population standard deviation (sigma) given that a sample of size n=18 yields a sample

deviation (sigma) given that a sample of size n=18 yields a sample

Question 1 Calculate the two-sided 95% confidence interval for the population standard deviation (sigma) given that a sample of size n=18 yields a sample standard deviation of 6.93. Your answer: O 8.20 sigma 0.30 O 1.14 sigma

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