Questions from Business Statistics

Q: A February 2010 Gallup Poll question asked, In politics, as

A February 2010 Gallup Poll question asked, In politics, as of today, do you consider yourself a Republican, a Democrat, or an Independent? The possible responses were Democrat, Republican ,Independe...

Q: A June 2011 Gallup Poll asked Americans, Thinking about the job

A June 2011 Gallup Poll asked Americans, Thinking about the job situation in America today, would you say that it is now a good time or a bad time to find a quality job? The choices were Good time or...

Q: A pharmaceutical company conducts an experiment in which a subject takes 100

A pharmaceutical company conducts an experiment in which a subject takes 100 mg of a substance orally. The researchers measure how many minutes it takes for half of the substance to exit the bloodstre...

Q: Just how accurate are the weather forecasts we hear every day?

Just how accurate are the weather forecasts we hear every day? The following table compares the daily forecast with a city actual weather for a year: 1. On what percent of days did it actually rain? 2...

Q: A medical researcher measures the increase in heart rate of patients who

A medical researcher measures the increase in heart rate of patients who are taking a stress test. What kind of variable is the researcher studying?

Q: Pollsters are interested in predicting the outcome of elections. Give an

Pollsters are interested in predicting the outcome of elections. Give an example of how they might model whether someone is likely to vote.

Q: Meteorologists utilize sophisticated models to predict the weather up to ten days

Meteorologists utilize sophisticated models to predict the weather up to ten days in advance. Give an example of how they might assess their models.

Q: Find a newspaper or magazine article in which some data are reported

Find a newspaper or magazine article in which some data are reported. For the data discussed in the article, identify as many of the W as you can. Include a copy of the article with your report.

Q: Find an Internet source that reports on a study and describes the

Find an Internet source that reports on a study and describes the data. Print out the description and identify as many of the W as you can.

Q: A study conducted by a team of American and Canadian researchers found

A study conducted by a team of American and Canadian researchers found that during ovulation, a woman can tell whether a man is gay or straight by looking at his face. To explore the subject, the auth...