Practice with Categorizing Data Topic Index | Algebra Index | Regents Exam Prep Center

Try the following questions:

For questions 1 - 4, determine if the data listed is quantitative data or qualitative data.

 1. Jed's new horse: 15.2 hands high 1250 pounds costs \$2,200 age: 3 years, 4 months Explanation Deals with numbers = quantitative Choose: quantitative data qualitative data

 2. The tree: rough brown bark red berries wandering branching small, sharply edged leaves Explanation Deals with description = qualitative Choose: quantitative data qualitative data

 3. Pennsylvania coal: florescent black black residue earthy smell rough texture Explanation Description = qualitative Choose: quantitative data qualitative data

 4. The students in the senior class at LHS High School: 578 students 236 honor students 150 scholarship winners 51% male Explanation Deals with numbers = quantitative Choose: quantitative data qualitative data

For questions 5 - 9, determine if the problem deals with univariate or bivariate data.

 5. Determine if the number of hours a student studies will improve his/her final examination scores. Explanation Deals with two variables: hours of study and score on exam Choose: univariate data bivariate data

 6. Determine the mean score on the last math test. Choose: univariate data bivariate data                                                                Explanation Deals with one variable = the scores

 7. Determine whether lowering cholesterol lowers the risk of heart disease. Choose: univariate data bivariate data                                                         Explanation Deals with two variables: cholesterol level heart disease

 8. Prepare a frequency table for the number of students scoring A, B, C, and D on the Chemistry test. Choose: univariate data bivariate data                                                             Explanation One variable = scores

 9. Which situation should be analyzed using bivariate data? Choose: Ms. Saleem keeps a list of the amount of time her daughter spends on her social studies homework. Mr. Benjamin tries to see if his students' shoe sizes are directly related to their heights. Mr. DeStefan records his customers' best video game scores during the summer. Mr. Chan keeps track of his daughter's algebra grades for the quarter.

For questions 10 - 13, determine if the situation is biased.

 10. A study is conducted to determine whether office workers have high blood pressure.  The participants in the study were friends of the researcher who shared the same doctor. Choose: biased unbiased                                                         Explanation Biased: participants were not chosen at random and the fact that they see the same doctor may imply that they have blood pressure problems.

 11. A study is conducted to determine the number of students who wore a free promotional T-shirt given to all students at a local university rock concert.  Five hundred students were chosen at random from the 5000 students attending the concert and asked if they wore the T-shirt during the concert. Choose: biased  unbiased Explanation Unbias: Participants chosen at random. Sampled from the group attending the concert.

 12. A study is conducted to estimate the average speed of drivers using the fast lane of the motorway.  To determine the drivers' speeds, a police car will follow the drivers on the motorway and record their speeds using the police car's speedometer. Choose: biased  unbiased Explanation Bias: When a police car follows a driver, the driver has a tendency to drive slower.

 13. A movie theater is conducting a survey on their customer service.  Customers willing to complete the survey are entered in a drawing for a free iPod. Choose: biased  unbiased Explanation Bias: Customers not random. Younger customers are more apt to complete the survey.

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