Suppose in the previous question th e analyst had random ly chosen 12 CEO com pensations for
Question:
Suppose in the previous question th e analyst had random ly chosen 12 CEO com pensations for 2006.
a. Is it necessary to apply th e finite population correction factor? Explain.
b. Is th e sam pling distribution of th e sam ple m ean normally distributed? Explain.
c. Calculate th e expected value and th e standard deviation of th e sam ple m ean.
d. Can you use the normal approxim ation to calculate th e probability th a t th e sam ple m ean is m ore than
$12 million? Explain.
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Related Book For
Business Statistics Communicating With Numbers
ISBN: 9780071317610
1st Edition
Authors: Kelly Jaggia
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