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Elementary,Middle School,High School,College,University,PHD
| Teaching Since: | May 2017 |
| Last Sign in: | 408 Weeks Ago, 5 Days Ago |
| Questions Answered: | 66690 |
| Tutorials Posted: | 66688 |
MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
In an article by Laroche et al. (The Journal of the American Board of Family Medicine 2007;20:9–15), the average daily fat intake of U.S. adults with children in the household is 91.4 grams, with a standard deviation of 93.25 grams. These results are based on a sample of 3714 adults. Suppose that these results hold true for the current population distribution of daily fat intake of such adults, and that this distribution is strongly skewed to the right. Let
 be the average daily fat intake of 20 randomly selected U.S. adults with children in the household. Find the mean and the standard deviation of the sampling distribution of
. Do the same for a random sample of size 75. How do the shapes of the sampling distributions differ for the two sample sizes?
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