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Elementary,Middle School,High School,College,University,PHD
| Teaching Since: | May 2017 |
| Last Sign in: | 398 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
1.4 Based on a study of 2121 children between the ages of one and four, researchers at the Medical College of Wisconsin concluded that there was an association be- tween iron deficiency and the length of time that a child is bottle-fed (Milwaukee Journal Sentinel, November 26, 2005). Describe the sample and the population of interest for this study.
1.5 The student senate at a university with 15,000 stu- dents is interested in the proportion of students who favor a change in the grading system to allow for plus and mi- nus grades (e.g., B+, B, B-, rather than just B). Two hundred students are interviewed to determine their atti- tude toward this proposed change. What is the population of interest? What group of students constitutes the sample in this problem?
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