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Understanding Basic Statistics 6th Edition by Charles Henry Brase,Corrinne Pellillo Brase
Edition 6ISBN: 978-1111827021Understanding Basic Statistics 6th Edition by Charles Henry Brase,Corrinne Pellillo Brase
Edition 6ISBN: 978-1111827021 Exercise 62
Basic Computation: Sample size Suppose x has a normal distribution with = 1.2.
(a) Find the minimal sample size required so that for a 90% confidence interval, the maximal margin of error is E = 0.5.
(b) Check Requirements Based on this sample size and the x distribution, can we assume that the
distribution is approximately normal Explain.
(a) Find the minimal sample size required so that for a 90% confidence interval, the maximal margin of error is E = 0.5.
(b) Check Requirements Based on this sample size and the x distribution, can we assume that the
distribution is approximately normal Explain.Explanation
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(a) We are to find the required sample s...
Understanding Basic Statistics 6th Edition by Charles Henry Brase,Corrinne Pellillo Brase
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