This document contains copyright information and outlines for chapters 2 and section 2.1 of a statistics textbook. It discusses key characteristics of data such as center, variation, distribution, outliers, and time. The section preview lists these characteristics and how they relate to analyzing data.

1. Section 2.1-‹#›
Copyright © 2014, 2012, 2010 Pearson Education, Inc.
Lecture Slides
Elementary Statistics
Twelfth Edition
and the Triola Statistics Series
by Mario F. Triola

2. Section 2.1-‹#›
Copyright © 2014, 2012, 2010 Pearson Education, Inc.
Chapter 2
Summarizing and Graphing Data
2-1 Review and Preview
2-2 Frequency Distributions
2-3 Histograms
2-4 Graphs that Enlighten and Graphs that
Deceive

3. Section 2.1-‹#›
Copyright © 2014, 2012, 2010 Pearson Education, Inc.
1. Center: A representative value that indicates where the
middle of the data set is located.
2. Variation: A measure of the amount that the data values
vary.
3. Distribution: The nature or shape of the spread of data
over the range of values (such as bell-shaped, uniform,
or skewed).
4. Outliers: Sample values that lie very far away from the
vast majority of other sample values.
5. Time: Changing characteristics of the data over time.
Preview
Characteristics of Data