Introductory Statistics: Exploring the World through Data, 1e Active Learning Lecture Slides For use with Classroom Response Systems Introductory Statistics: Exploring the World through Data, 1e by Gould and Ryan Chapter 2: Redaing Quiz 3 sections 2.1-2.2 © 2013 Pearson Education, Inc.

© 2013 Pearson Education, Inc. True or False The distribution of a sample of data organizes data by recording all of the values observed and how many times each value is observed. True False Response Counter © 2013 Pearson Education, Inc.

© 2013 Pearson Education, Inc. True or False In a dotplot each observation is represented by a dot on a number line. True False Response Counter © 2013 Pearson Education, Inc.

© 2013 Pearson Education, Inc. True or False In a histogram bars are drawn to show how many observations lie in each bin. True False Response Counter © 2013 Pearson Education, Inc.

© 2013 Pearson Education, Inc. In a stemplot, Numbers are divided into leaves (the last digit) and stems (the preceding digits). Stems are written in a vertical column. Associated leaves are attached to the stems. All of the above. Response Counter © 2013 Pearson Education, Inc.

© 2013 Pearson Education, Inc. When examining distributions of numerical data, one should pay attention to the Center. Shape. Horizontal spread. All of the above. Response Counter © 2013 Pearson Education, Inc.

© 2013 Pearson Education, Inc. A distribution in which the left-hand side of the graph is roughly a mirror image of the right-hand side is called Right-skewed. Bimodal. Left-skewed. Symmetric. Response Counter © 2013 Pearson Education, Inc.

A distribution that has a tail that goes to the left is called Right-skewed. Bimodal. Left-skewed. Symmetric. Response Counter © 2013 Pearson Education, Inc.

A distribution that has one mound is called a Multimodal distribution. Unimodal distribution. Left-skewed distribution. A Bimodal distribution. Response Counter © 2013 Pearson Education, Inc.

A bimodal distribution has One mound. Two mounds. More than two mounds. Is symmetric. Response Counter © 2013 Pearson Education, Inc.

© 2013 Pearson Education, Inc. An outlier is a value so large or small that they it does not fit the data. has no precise definition. can be caused by mistakes in data entry. All of the above. Response Counter © 2013 Pearson Education, Inc.