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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
29.    The sample mean and sample standard deviation on your economics examina- tion were 60 and 20, respectively; the sample mean and sample standard devia- tion on your statistics examination were 55 and 10, respectively. You scored 70 on the economics exam and 62 on the statistics exam. Assuming that the two histograms of test scores are approximately normal histograms,
(a)Â Â Â Â on which exam was your percentile score highest?
(b)Â Â Â Â approximate the percentage of the scores on the economics exam that were below your score.
(c)Â Â Â Â approximate the percentage of the scores on the statistics exam that were below your score.
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