A petition with 500 signatures is submitted to a university’s student council. The council president would like to determine the proportion of those who signed the petition who are actually registered students at the university. There is not enough time to check all 500 names with the registrar, so the council president decides to select a simple random sample of 30 signatures. Describe how this might be done.
Answer to relevant QuestionsDuring the previous calendar year, a county’s small claims court processed 870 cases. Describe how a simple random sample of size n 5 50 might be selected from the case files to obtain information regarding the average ...The article “Acupuncture for Bad Backs: Even Sham Therapy Works” (Time, May 12, 2009) summarized a study conducted by researchers at the Group Health Center for Health Studies in Seattle. In this study, 638 adults with ...The report “Undergraduate Students and Credit Cards in 2004: An Analysis of Usage Rates and Trends” (Nellie Mae, May 2005) estimated that 21% of undergraduates with credit cards pay them off each month and that the ...In an experiment to compare two different surgical procedures for hernia repair (“A Single-Blinded, Randomized Comparison of Laparoscopic Versus Open Hernia Repair in Children,” Pediatrics : 332– 336), 89 ...The Pew Research Center conducted a study of gender bias. The report “Men or Women: Who is the Better Leader? A Paradox in Public Attitudes” (www. pewsocialtrends.org, August 28, 2008) describes how the study was ...
Post your question