Elementary Statistics Eleventh Edition

Chapter 1 Introduction to Statistics 1-1 Review and Preview 1-2 Statistical Thinking 1-3 Types of Data 1-4 Critical Thinking 1-5 Collecting Sample Data1.1 - 3 Copyright © 2010, 2007, 2004 Pearson Education, Inc. All Rights Reserved. Section 1-1 Review and Preview1.1 - 4 Copyright © 2010, 2007, 2004 Pearson Education, Inc. All Rights Reserved. Preview Polls, studies, surveys and other data collecting tools collect data from a small part of a larger group so that we can learn something about the larger group. This is a common and important goal of statistics: Learn about a large group by examining data from some of its members.1.1 - 5 Copyright © 2010, 2007, 2004 Pearson Education, Inc. All Rights Reserved. Preview In this context, the terms sample and population have special meaning. Formal definitions for these and other basic terms will be given here. In this section we will look at some of the ways to describe data.1.1 - 6 Copyright © 2010, 2007, 2004 Pearson Education, Inc. All Rights Reserved. v Data collections of observations (such as measurements, genders, survey responses) Data1.1 - 7 Copyright © 2010, 2007, 2004 Pearson Education, Inc. All Rights Reserved. v Statistics is the science of planning studies and experiments, obtaining data, and then organizing, summarizing, presenting, analyzing, interpreting, and drawing conclusions based on the data Statistics1.1 - 8 Copyright © 2010, 2007, 2004 Pearson Education, Inc. All Rights Reserved. Population