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

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

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

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

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

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

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

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

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

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

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

Slide 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

Slide 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

Slide 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

Slide 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

Slide 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

Slide 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

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

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

Slide 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

Slide 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