Refer to Exercise 61. Suppose the sample size here had been 20 instead of 49. Suppose, too,
Question:
a. Show the 95%, the 99% and the 80% intervals that would be appropriate here.
b. What additional assumption about the population would have to be made?
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a Here well replace in the calculation of the standard error with s and replace z wi...View the full answer
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Related Book For 
Understanding Business Statistics
ISBN: 978-1118145258
1st edition
Authors: Stacey Jones, Tim Bergquist, Ned Freed
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