Questions from Business Statistics

Q: Through their Roper Reports Worldwide, GfK Roper conducts a global consumer

Through their Roper Reports Worldwide, GfK Roper conducts a global consumer survey to help multinational companies understand different consumer attitudes throughout the world. Within 30 countries, th...

Q: For their class project, a group of statistics students decide to

For their class project, a group of statistics students decide to survey the student body to assess opinions about the proposed new student center. Their sample of 200 contained 50 first-year students...

Q: Major League Baseball tests players to see whether they are using performance

Major League Baseball tests players to see whether they are using performance-enhancing drugs. Officials select a team at random, and a drug-testing crew shows up unannounced to test all 40 players on...

Q: At its website (www.gallup.com), the Gallup

At its website (www.gallup.com), the Gallup Poll publishes results of a new survey each day. Scroll down to the end, and you find a statement that includes words such as these: Results are based on te...

Q: Consumers Union asked all subscribers whether they had used alternative medical treatments

Consumers Union asked all subscribers whether they had used alternative medical treatments and, if so, whether they had benefited from them. For almost all of the treatments, approximately 20% of thos...

Q: Your economics instructor assigns your class to investigate factors associated with the

Your economics instructor assigns your class to investigate factors associated with the gross domestic product (GDP) of nations. Each student examines a different factor (such as Life Expectancy, Lite...

Q: A question posted on the gamefaqs.com website asked visitors to

A question posted on the gamefaqs.com website asked visitors to the site, Do you have an active social life outside the Internet? 22% of the 55,581 respondents said No or Not really, most of my person...

Q: Hoping to learn what issues may resonate with voters in the coming

Hoping to learn what issues may resonate with voters in the coming election, the campaign director for a mayoral candidate selects one block from each of the city election districts. Staff members go...

Q: The Environmental Protection Agency took soil samples at 16 locations near a

The Environmental Protection Agency took soil samples at 16 locations near a former industrial waste dump and checked each for evidence of toxic chemicals. They found no elevated levels of any harmful...

Q: State police set up a roadblock to estimate the percentage of cars

State police set up a roadblock to estimate the percentage of cars with up-to-date registration, insurance, and safety inspection stickers. They usually find problems with about 10% of the cars they s...