Questions from Business Statistics


Q: At the end of 2013, the Pew Project for Excellence in

At the end of 2013, the Pew Project for Excellence in Journalism investigated where people are getting their news. In the study 22% of people 1829 years old said they still read newspapers as one of t...

See Answer

Q: Eight hundred eighty-six randomly sampled teens were asked which of

Eight hundred eighty-six randomly sampled teens were asked which of several personal items of information they thought it ok to share with someone they had just met. Forty-four percent said it was ok...

See Answer

Q: When a random sample of 935 parents were asked about rules in

When a random sample of 935 parents were asked about rules in their homes, 77% said they had rules about the kinds of TV shows their children could watch. Among the 790 of those parents whose teenage...

See Answer

Q: A presidential candidate fears he has a problem with women voters.

A presidential candidate fears he has a problem with women voters. His campaign staff plans to run a poll to assess the situation. They randomly sample 300 men and 300 women, asking if they have a fav...

See Answer

Q: A consumer magazine plans to poll car owners to see if they

A consumer magazine plans to poll car owners to see if they are happy enough with their vehicles that they would purchase the same model again. They randomly select 450 owners of American-made cars an...

See Answer

Q: The Centers for Disease Control and Prevention reported a survey of randomly

The Centers for Disease Control and Prevention reported a survey of randomly selected Americans age 65 and older, which found that 411 of 1012 men and 535 of 1062 women suffered from some form of arth...

See Answer

Q: The U.S. Department of Commerce reported the results of

The U.S. Department of Commerce reported the results of a large-scale survey on high school graduation. Researchers contacted more than 25,000 Americans aged 24 years to see if they had finished high...

See Answer

Q: Researchers at the National Cancer Institute released the results of a study

Researchers at the National Cancer Institute released the results of a study that investigated the effect of weed-killing herbicides on house pets. They examined 827 dogs from homes where an herbicide...

See Answer

Q: The painful wrist condition called carpal tunnel syndrome can be treated with

The painful wrist condition called carpal tunnel syndrome can be treated with surgery or, less invasively, with wrist splints. Recently, Time magazine reported on a study of 176 patients. Among the ha...

See Answer

Q: There has been debate among doctors over whether surgery can prolong life

There has been debate among doctors over whether surgery can prolong life among men suffering from prostate cancer, a type of cancer that typically develops and spreads very slowly. Recently, The New...

See Answer