slide 2- 1 copyright © 2010 pearson education, inc. active learning lecture slides for use with...
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Slide 2- 1Copyright © 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- 2Copyright © 2010 Pearson Education, Inc.
What are data?
A. A bunch of numbers
B. Values along with context
C. Words only
Slide 1- 3Copyright © 2010 Pearson Education, Inc.
What are data?
A. A bunch of numbers
B. Values along with context
C. Words only
Slide 2- 4Copyright © 2010 Pearson Education, Inc.
Variables that are numbers are always quantitative.
A. True
B. False
Slide 2- 5Copyright © 2010 Pearson Education, Inc.
Variables that are numbers are always quantitative.
A. True
B. False
Slide 2- 6Copyright © 2010 Pearson Education, Inc.
Individuals who answer a survey are called:
A. Subjects
B. Participants
C. Respondents
D. Units
Slide 2- 7Copyright © 2010 Pearson Education, Inc.
Individuals who answer a survey are called:
A. Subjects
B. Participants
C. Respondents
D. Units
Slide 2- 8Copyright © 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- 9Copyright © 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- 10Copyright © 2010 Pearson Education, Inc.
Your Student ID is an example of this type of variable.
A. Discrete
B. Identifier
C. Complex
D. Ordinal
Slide 2- 11Copyright © 2010 Pearson Education, Inc.
Your Student ID is an example of this type of variable.
A. Discrete
B. Identifier
C. Complex
D. Ordinal
Slide 2- 12Copyright © 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 2- 13Copyright © 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 2- 14Copyright © 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 2- 15Copyright © 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 2- 16Copyright © 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 2- 17Copyright © 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 2- 18Copyright © 2010 Pearson Education, Inc.
Quarterly profits for a company is an example of time series data.
A. True
B. False
Slide 2- 19Copyright © 2010 Pearson Education, Inc.
Quarterly profits for a company is an example of time series data.
A. True
B. False
Slide 2- 20Copyright © 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 2- 21Copyright © 2010 Pearson Education, Inc.
The W’s (Who, What, When, Where, Why) provide ___________ for data values.
A. Cases
B. Records
C. Context
D. Subjects