1. Informed Decisions Using Data
Active Learning Lecture Slides
For use with Classroom Response Systems
Chapter 2: Organizing & Summarizing Data
Statistics:
Informed Decisions Using Data
Third Edition
by Michael Sullivan III
Copyright © 2010 Pearson Education, Inc.
Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley
Slide 4- 1 1

2. Copyright © 2010 Pearson Education, Inc.
Identify the type of graph shown.
Bar Graph
Pie Chart
Pareto Chart
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3. Copyright © 2010 Pearson Education, Inc.
Identify the type of graph shown.
Bar Graph
Pie Chart
Pareto Chart
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4. Copyright © 2010 Pearson Education, Inc.
What percentage of college students get their information from television?
181%
32.9%
45.3%
60.3%
Copyright © 2010 Pearson Education, Inc.

5. Copyright © 2010 Pearson Education, Inc.
What percentage of college students get their information from television?
181%
32.9%
45.3%
60.3%
Copyright © 2010 Pearson Education, Inc.

6. Copyright © 2010 Pearson Education, Inc.
Which class has the highest frequency? 53 58
18 – 22
18 – 23
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7. Copyright © 2010 Pearson Education, Inc.
Which class has the highest frequency? 53 58
18 – 22
18 – 23
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8. Copyright © 2010 Pearson Education, Inc.
True or false: The distribution is skewed right.
True
False
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9. Copyright © 2010 Pearson Education, Inc.
True or false: The distribution is skewed right.
True
False
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10. Copyright © 2010 Pearson Education, Inc.
What is the maximum data entry? 96 38 79 56
Key: 3 | 8 = 38
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11. Copyright © 2010 Pearson Education, Inc.
What is the maximum data entry? 96 38 79 56
Key: 3 | 8 = 38
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12. Copyright © 2010 Pearson Education, Inc.
Find the class width. 3 4 5 19
Class
Frequency, f
1 – 5 21
6 – 10 16
11 – 15 28
16 – 20 13
Copyright © 2010 Pearson Education, Inc.

13. Copyright © 2010 Pearson Education, Inc.
Find the class width. 3 4 5 19
Class
Frequency, f
1 – 5 21
6 – 10 16
11 – 15 28
16 – 20 13
Copyright © 2010 Pearson Education, Inc.

14. Copyright © 2010 Pearson Education, Inc.
What percentage of students had a grade of 70 or below?
58%
37%
69%
32%
Copyright © 2010 Pearson Education, Inc.

15. Copyright © 2010 Pearson Education, Inc.
What percentage of students had a grade of 70 or below?
58%
37%
69%
32%
Copyright © 2010 Pearson Education, Inc.

16. Copyright © 2010 Pearson Education, Inc.
Find the cumulative relative frequency for the second class.
0.205
0.269 78
0.474
Class
Frequency, f
1 – 5 21
6 – 10 16
11 – 15 28
16 – 20 13
Copyright © 2010 Pearson Education, Inc.

17. Copyright © 2010 Pearson Education, Inc.
Find the cumulative relative frequency for the second class.
0.205
0.269 78
0.474
Class
Frequency, f
1 – 5 21
6 – 10 16
11 – 15 28
16 – 20 13
Copyright © 2010 Pearson Education, Inc.