Questions from Applied Statistics

Q: The U.S. Public Interest Research Group Education Fund,

The U.S. Public Interest Research Group Education Fund, USPIRG, recently published a report titled The Campus Credit Card Trap: A Survey of College Students about Credit Card Marketing. You can find t...

Q: Using your favorite web browser, enter the search string “business

Using your favorite web browser, enter the search string “business code of ethics.” List five examples of features that a business ethics code should have.

Q: (a) Make a frequency distribution and histogram for the 2007

(a) Make a frequency distribution and histogram for the 2007 annual compensation of 40 randomly chosen CEOs (millions of dollars). (b) Describe the shape of the histogram. (c) Identify any unusual val...

Q: A National Health Interview Survey conducted by the U.S.

A National Health Interview Survey conducted by the U.S. Centers for Disease Control reported that using a cell phone instead of a landline appeared to double a person’s chances of binge drinking. “I...

Q: Find the interval within which 90

Find the interval within which 90 percent of the sample means would be expected to fall, assuming that each sample is from a normal population. a. μ = 100, σ = 12, n = 36 b. μ = 2,000, σ = 150,...

Q: A study found that radar detector users have lower accident rates,

A study found that radar detector users have lower accident rates, wear their seat belts more, and even vote more than nonusers. (a) Assuming that the study is accurate, do you think there is cause-an...

Q: A lottery winner told how he picked his six-digit winning

A lottery winner told how he picked his six-digit winning number (5-6-8-10-22-39): number of people in his family, birth date of his wife, school grade of his 13-year-old daughter, sum of his birth da...

Q: “Smokers are much more likely to speed, run red lights

“Smokers are much more likely to speed, run red lights, and get involved in car accidents than nonsmokers.” (a) Can you think of reasons why this statement might be misleading? Hint: Make a list of si...

Q: Which measurement level (nominal, ordinal, interval, ratio)

Which measurement level (nominal, ordinal, interval, ratio) is each of the following variables? Explain. a. Number of employees in the Walmart store in Hutchinson, Kansas. b. Number of merchandise re...

Q: What logical or ethical problems do you see in these hypothetical scenarios

What logical or ethical problems do you see in these hypothetical scenarios? a. Dolon Privacy Consultants concludes that its employees are not loyal because a few samples of employee e-mails containe...