A GSS question asked the gender of your best friend. Of 1381 people interviewed, 147 said their best friend had the opposite gender, and 1234 said their best friend had the same gender. Prepare a short report in which you analyze these data using a confidence interval and a significance test. Which do you think is more informative? Why?
Answer to relevant QuestionsIn major league baseball’s 2010 season, the home team won 1359 games and the away team won 1071 (www.mlb.com). a. Although these games are not a random sample, explain how you could think of these data as giving you ...Consider the results from the previous exercise. a. Construct a 95% confidence interval to compare the population means. b. Explain what you learn from the confidence interval that you do not learn from the significance ...A March 2003 article in the Gainesville Sun about a study at Boston’s Children’s Hospital had the headline, “New study: Lots of fast food and TV triple risk of obesity.” The response variable was binary, namely ...A Time Magazine article titled “Wal-Mart’s Gender Gap” (July 5, 2004) stated that in 2001 women managers at Wal-Mart earned $14,500 less than their male counterparts. a. If these data are based on a random sample of ...A February 2007 story on www.redandblack.com stated, “Students who use laptops in class have lower GPAs, according to a study by Cornell University.” a. Suppose this conclusion was based on a significance test comparing ...
Post your question