Introduction to Statistics and Data Analysis
Introduction to Statistics and Data Analysis
5th Edition
ISBN: 9781305115347
Author: Roxy Peck; Chris Olsen; Jay L. Devore
Publisher: Brooks Cole
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Chapter 8.2, Problem 11E

For which of the sample sizes given in the previous exercise would it be reasonable to think that the sampling distribution of is approximately normal in shape?

8.10 A random sample is selected from a population with mean μ = 100 and standard deviation σ = 10. Determine the mean and standard deviation of the sampling distribution of for each of the following sample sizes:

  1. a. n = 9
  2. b. n = 15
  3. c. n = 36
  4. d. n = 50
  5. e. n = 100
  6. f. n = 400
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