Essential Statistics Using SAS University Edition

Chapter 2: Data Description and Simple Inference

2.1 Introduction

2.2 Summary Statistics and Graphical Representations of Data

2.2.1 Initial Analysis of Room Width Guesses Using Simple Summary Statistics and Graphics

2.3 Testing Hypotheses and Student’s t-Test

2.3.1 Applying Student’s t-Test to the Guesses of Room Width

2.3.2 Checking the Assumptions Made When Using Student’s t-Test and Alternatives to the t-Test

2.4 The t-Test for Paired Data

2.4.1 Initial Analysis of Wave Energy Data Using Box Plots

2.4.2 Wave Power and Mooring Methods: Do Two Mooring Methods Differ in Bending Stress?

2.4.3 Checking the Assumptions of the Paired t-Tests

2.5 Exercises

2.1 Introduction

In this chapter, we will describe how to get informative numerical summaries ...