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| Teaching Since: | May 2017 |
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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
Critical Thinking Lorraine was in a hurry when she computed a confidence interval for μ. Because σ was not known, she used a Student’s t distribution. However, she accidentally used degrees of freedom n instead of n- 1. Was herconfidence interval longer or shorter than one found using the correct degrees of freedom n - 1? Explain.
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