1. Slide 2- 1 Copyright © 2010 Pearson Education, Inc. Active Learning Lecture Slides For use with Classroom Response Systems Business Statistics First Edition by Sharpe, De Veaux, Velleman Chapter 2: Data

2. Slide 1- 2 Copyright © 2010 Pearson Education, Inc. What are data? A. A bunch of numbers B. Values along with context C. Words only

3. Slide 1- 3 Copyright © 2010 Pearson Education, Inc. What are data? A. A bunch of numbers B. Values along with context C. Words only

4. Slide 2- 4 Copyright © 2010 Pearson Education, Inc. Variables that are numbers are always quantitative. A. True B. False

5. Slide 2- 5 Copyright © 2010 Pearson Education, Inc. Variables that are numbers are always quantitative. A. True B. False

6. Slide 2- 6 Copyright © 2010 Pearson Education, Inc. Individuals who answer a survey are called: A. Subjects B. Participants C. Respondents D. Units

7. Slide 2- 7 Copyright © 2010 Pearson Education, Inc. Individuals who answer a survey are called: A. Subjects B. Participants C. Respondents D. Units

8. Slide 2- 8 Copyright © 2010 Pearson Education, Inc. A database in which two or more separate data tables are linked together so information can be merged across them is called: A. Characteristic B. Complex C. Simple D. Relational

9. Slide 2- 9 Copyright © 2010 Pearson Education, Inc. A database in which two or more separate data tables are linked together so information can be merged across them is called: A. Characteristic B. Complex C. Simple D. Relational

10. Slide 2- 10 Copyright © 2010 Pearson Education, Inc. Your Student ID is an example of this type of variable. A. Discrete B. Identifier C. Complex D. Ordinal

11. Slide 2- 11 Copyright © 2010 Pearson Education, Inc. Your Student ID is an example of this type of variable. A. Discrete B. Identifier C. Complex D. Ordinal

12. Slide 2- 12 Copyright © 2010 Pearson Education, Inc. The SPCA collects data about the dogs they house. Which is categorical? A. Breed B. Age C. Weight D. Veterinary costs

13. Slide 2- 13 Copyright © 2010 Pearson Education, Inc. The SPCA collects data about the dogs they house. Which is categorical? A. Breed B. Age C. Weight D. Veterinary costs

14. Slide 2- 14 Copyright © 2010 Pearson Education, Inc. School administrators collect data on the students attending the school. Which of the following is quantitative? A. Class ( freshman, sophomore, etc.) B. Grade point average C. Whether the student is in AP class D. Whether the student has taken the SAT

15. Slide 2- 15 Copyright © 2010 Pearson Education, Inc. School administrators collect data on the students attending the school. Which of the following is quantitative? A. Class ( freshman, sophomore, etc.) B. Grade point average C. Whether the student is in AP class D. Whether the student has taken the SAT

16. Slide 2- 16 Copyright © 2010 Pearson Education, Inc. We collect these data from 50 students. Which variable is categorical? A. Eye color B. Head circumference C. Hours of homework last week D. Number of TV sets in at home

17. Slide 2- 17 Copyright © 2010 Pearson Education, Inc. We collect these data from 50 students. Which variable is categorical? A. Eye color B. Head circumference C. Hours of homework last week D. Number of TV sets in at home

18. Slide 2- 18 Copyright © 2010 Pearson Education, Inc. Quarterly profits for a company is an example of time series data. A. True B. False

19. Slide 2- 19 Copyright © 2010 Pearson Education, Inc. Quarterly profits for a company is an example of time series data. A. True B. False

20. Slide 2- 20 Copyright © 2010 Pearson Education, Inc. The W’s (Who, What, When, Where, Why) provide ___________ for data values. A. Cases B. Records C. Context D. Subjects

21. Slide 2- 21 Copyright © 2010 Pearson Education, Inc. The W’s (Who, What, When, Where, Why) provide ___________ for data values. A. Cases B. Records C. Context D. Subjects