Introduction to Statistics Test Questions and Answers

Introduction to Statistics Test Questions and Answers 1. Sensors in parking lots are able to detect and communicate when spaces are filled in a large covered parking garage next to an urban shopping mall. How might the owners of the parking garage use this information both to attract customers and to help the store owners in the mall make business plans?: The owners of the parking garage can advertise about the availability of parking. They can also communicate with businesses about hours when more spots are available and when they should encourage more business. 2. Satellites send back nearly continuous data on the Earth’s land masses, oceans, and atmosphere from space. How might researchers use this information in both the short and long term to help study changes in the Earth’s climate? In the short term, researchers can more accurately report weather patterns, including hurricanes and tsunamis. In the long term, this rise and fall of temperature and water levels can help in planning for future problems and guide public policy to protect our safety. 3. An organization awards prizes in six categories to people each year. Their website allows you to look up all the prizes awarded in any year. The data are not listed in a table. Rather you drag a slider to the year and see a list of the awardees for that year. Describe the "who" in this scenario.: The people who have been awarded a prize from the organization 4. Pollsters are interested in predicting the outcome of elections. Give an example of how they might model whether someone is likely to vote.: The pollsters might consider whether a person voted previously or whether he or she could name the candidates, which indicates a greater interest in the election.