A random sample has been taken from a normal distribution and the following confidence intervals constructed using
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A random sample has been taken from a normal distribution and the following confidence intervals constructed using the same data: (37.53, 49.87) and (35.59, 51.81)
(a) What is the value of the sample mean?
(b) One of these intervals is a 99% CI and the other is a 95% CI. Which one is the 95% CI and why?
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Related Book For
Applied Statistics And Probability For Engineers
ISBN: 9781118539712
6th Edition
Authors: Douglas C. Montgomery, George C. Runger
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