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Elementary,Middle School,High School,College,University,PHD
| Teaching Since: | May 2017 |
| Last Sign in: | 408 Weeks Ago, 4 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
11.26 A researcher at the Medical College of Virginia con- ducted a study of 60 randomly selected male soccer players and concluded that frequently “heading” the ball in soccer lowers players’ IQs (USA Today, August 14, 1995). The soccer players were divided into two groups, based on whether they averaged 10 or more headers per game. Mean IQs were reported in the article, but the sample sizes and standard deviations were not given. Suppose that these val- ues were as given in the accompanying table.
Sample Sample
n Mean sd
mean and standard deviation were 64.00 and 15.68, re- spectively. Do the data support the researcher’s claim that mean self-esteem is lower for students classified as having long-duration loneliness? Test the relevant hypotheses us- ing a = .01. Be sure to state any assumptions that are necessary for your test to be valid.
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