Questions from Business Statistics

Q: The file EngineeringSalary contains the median starting salary and median mid-

The file EngineeringSalary contains the median starting salary and median mid-career salary (measured 10 years after graduation) for graduates from 19 engineering schools (The Wall Street Journal). De...

Q: Each year America.EDU ranks the best paying college degrees in

Each year America.EDU ranks the best paying college degrees in America. The following data show the median starting salary, the mid-career salary, and the percentage increase from starting salary to m...

Q: Nielsen tracks the amount of time that people spend consuming media content

Nielsen tracks the amount of time that people spend consuming media content across different platforms (digital, audio, television) in the United States. Nielsen has found that traditional television...

Q: Show the five-number summary and the boxplot for the following

Show the five-number summary and the boxplot for the following data: 5, 15, 18, 10, 8, 12, 16, 10, 6.

Q: The creator of a new online multiplayer survival game has been tracking

The creator of a new online multiplayer survival game has been tracking the monthly downloads of the newest game. The following table shows the monthly downloads (in thousands) for each month of the c...

Q: In alphabetical order, the six most common last names in the

In alphabetical order, the six most common last names in the United States in 2018 are Brown, Garcia, Johnson, Jones, Smith, and Williams (United States Census Bureau website). Assume that a sample of...

Q: Naples, Florida, hosts a half-marathon (13.

Naples, Florida, hosts a half-marathon (13.1-mile race) in January each year. The event attracts top runners from throughout the United States as well as from around the world. In the race results sho...

Q: Annual sales, in millions of dollars, for 21 pharmaceutical companies

Annual sales, in millions of dollars, for 21 pharmaceutical companies follow. a. Provide a five-number summary. b. Compute the lower and upper limits. c. Do the data contain any outliers? d. Johnson...

Q: Consumer Reports provides overall customer satisfaction scores for AT&T,

Consumer Reports provides overall customer satisfaction scores for AT&T, Sprint, T-Mobile, and Verizon cell-phone services in major metropolitan areas throughout the United States. The rating for...

Q: Fortune magazine’s list of the world’s most admired companies for 2014 is

Fortune magazine’s list of the world’s most admired companies for 2014 is provided in the data contained in the file AdmiredCompanies (Fortune magazine website). The data in the column labeled “Return...