Refer to the previous exercise. Suppose that 64 smokers (instead of 49) were sampled. Assume the sample
Question:
a. What is the 95% confidence interval estimate of µ?
b. Explain why this confidence interval is narrower than the one determined in the previous exercise.
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Related Book For
Basic Statistics For Business And Economics
ISBN: 9780073521473
8th Edition
Authors: Douglas Lind, William Marchal, Samuel Wathen
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