Slide 4- 1 © 2015, 2012, 2009 Pearson Education, Inc. Active Learning Lecture Slides For use with Classroom Response Systems Elementary Statistics: Picturing the World Sixth Edition by Larson and Farber Chapter 2: Descriptive Statistics

© 2015, 2012, 2009 Pearson Education, Inc. Find the class width: A. 3 B. 4 C. 5 D. 19 ClassFrequency, f 1 – – – – 2013 Slide 2- 2

© 2015, 2012, 2009 Pearson Education, Inc. Find the class width: A. 3 B. 4 C. 5 D. 19 ClassFrequency, f 1 – – – – 2013 Slide 2- 3

© 2015, 2012, 2009 Pearson Education, Inc. Estimate the frequency of the class with the greatest frequency. A. 28 B. 21 C. 58 D. 53 Slide 2- 4

© 2015, 2012, 2009 Pearson Education, Inc. Estimate the frequency of the class with the greatest frequency. A. 28 B. 21 C. 58 D. 53 Slide 2- 5

© 2015, 2012, 2009 Pearson Education, Inc. What is the maximum data entry? A. 96 B. 38 C. 9 D Key: 3 | 8 = 38 Slide 2- 6

© 2015, 2012, 2009 Pearson Education, Inc. What is the maximum data entry? A. 96 B. 38 C. 9 D Key: 3 | 8 = 38 Slide 2- 7

© 2015, 2012, 2009 Pearson Education, Inc. The heights (in inches) of a sample of basketball players are shown: Find the mean. A B. 79 C. 474 D. 78 Slide 2- 8

© 2015, 2012, 2009 Pearson Education, Inc. The heights (in inches) of a sample of basketball players are shown: Find the mean. A B. 79 C. 474 D. 78 Slide 2- 9

© 2015, 2012, 2009 Pearson Education, Inc. The heights (in inches) of a sample of basketball players are shown: Find the median. A B. 79 C D. 78 Slide 2- 10

© 2015, 2012, 2009 Pearson Education, Inc. The heights (in inches) of a sample of basketball players are shown: Find the median. A B. 79 C D. 78 Slide 2- 11

© 2015, 2012, 2009 Pearson Education, Inc. The heights (in inches) of a sample of basketball players are shown: Find the mode. A B. 79 C D. 78 Slide 2- 12

© 2015, 2012, 2009 Pearson Education, Inc. The heights (in inches) of a sample of basketball players are shown: Find the mode. A B. 79 C D. 78 Slide 2- 13

© 2015, 2012, 2009 Pearson Education, Inc. The heights (in inches) of a sample of basketball players are shown: Find the standard deviation. A. 2.2 B. 6 C. 2 D. 4.8 Slide 2- 14

© 2015, 2012, 2009 Pearson Education, Inc. The heights (in inches) of a sample of basketball players are shown: Find the standard deviation. A. 2.2 B. 6 C. 2 D. 4.8 Slide 2- 15

© 2015, 2012, 2009 Pearson Education, Inc. The mean annual automobile insurance premium is $950, with a standard deviation of $175. The data set has a bell-shaped distribution. Estimate the percent of premiums that are between $600 and $1300. A. 68% B. 75% C. 95% D. 99.7% Slide 2- 16

© 2015, 2012, 2009 Pearson Education, Inc. The mean annual automobile insurance premium is $950, with a standard deviation of $175. The data set has a bell-shaped distribution. Estimate the percent of premiums that are between $600 and $1300. A. 68% B. 75% C. 95% D. 99.7% Slide 2- 17

© 2015, 2012, 2009 Pearson Education, Inc. Use the box-and-whisker plot to identify the first quartile. A. 10 B. 18 C. 24 D. 26 Slide | | | | | | | | | | |

© 2015, 2012, 2009 Pearson Education, Inc. Use the box-and-whisker plot to identify the first quartile. A. 10 B. 18 C. 24 D. 26 Slide | | | | | | | | | | |

© 2015, 2012, 2009 Pearson Education, Inc. The mean annual automobile insurance premium is $950, with a standard deviation of $175. Find the z-score that corresponds to a premium of $1250. A B. –1.13 C D. –1.71 Slide 2- 20

© 2015, 2012, 2009 Pearson Education, Inc. The mean annual automobile insurance premium is $950, with a standard deviation of $175. Find the z-score that corresponds to a premium of $1250. A B. –1.13 C D. –1.71 Slide 2- 21