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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
The May 1, 2009, issue of The Montclarian reported the following sales figures ($ 1000s) for a sample of homes in Alameda, California, that were sold the previous month:
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a. Calculate and interpret the sample mean and median.
b. Suppose the sixth observation had been 985 rather than 1285. How would the mean and median change?
c. Calculate a 20% trimmed mean by first trimming the two smallest and two largest observations.
d. Calculate a 15% trimmed mean.
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