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

Copyright © 2010 Pearson Education, Inc. Identify the type of graph shown. Bar Graph Pie Chart Pareto Chart Copyright © 2010 Pearson Education, Inc.

Copyright © 2010 Pearson Education, Inc. Identify the type of graph shown. Bar Graph Pie Chart Pareto Chart Copyright © 2010 Pearson Education, Inc.

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.

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.

Copyright © 2010 Pearson Education, Inc. Which class has the highest frequency? 53 58 18 – 22 18 – 23 18 23 28 33 38 43 48 53 58 Copyright © 2010 Pearson Education, Inc.

Copyright © 2010 Pearson Education, Inc. Which class has the highest frequency? 53 58 18 – 22 18 – 23 18 23 28 33 38 43 48 53 58 Copyright © 2010 Pearson Education, Inc.

Copyright © 2010 Pearson Education, Inc. True or false: The distribution is skewed right. True False 18 23 28 33 38 43 48 53 58 Copyright © 2010 Pearson Education, Inc.

Copyright © 2010 Pearson Education, Inc. True or false: The distribution is skewed right. True False 18 23 28 33 38 43 48 53 58 Copyright © 2010 Pearson Education, Inc.

Copyright © 2010 Pearson Education, Inc. What is the maximum data entry? 96 38 79 56 Key: 3 | 8 = 38 3 8 9 4 0 2 7 5 1 1 4 8 6 3 3 3 8 9 9 7 0 0 1 1 2 4 7 8 8 8 8 9 8 2 2 3 4 7 7 8 9 9 9 1 1 4 5 6 Copyright © 2010 Pearson Education, Inc.

Copyright © 2010 Pearson Education, Inc. What is the maximum data entry? 96 38 79 56 Key: 3 | 8 = 38 3 8 9 4 0 2 7 5 1 1 4 8 6 3 3 3 8 9 9 7 0 0 1 1 2 4 7 8 8 8 8 9 8 2 2 3 4 7 7 8 9 9 9 1 1 4 5 6 Copyright © 2010 Pearson Education, Inc.

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.

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.

Copyright © 2010 Pearson Education, Inc. What percentage of students had a grade of 70 or below? 58% 37% 69% 32% 50 60 70 80 90 100 Copyright © 2010 Pearson Education, Inc.

Copyright © 2010 Pearson Education, Inc. What percentage of students had a grade of 70 or below? 58% 37% 69% 32% 50 60 70 80 90 100 Copyright © 2010 Pearson Education, Inc.

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.

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.