Practical Data Analysis with JMP, Third Edition, 3rd Edition

Chapter 3: Describing a Single Variable

Overview

The Concept of a Distribution

Variable Types and Their Distributions

Distribution of a Categorical Variable

Using Graph Builder to Explore Categorical Data Visually

Distribution of a Quantitative Variable

Using the Distribution Platform for Continuous Data

Exploring Further with the Graph Builder

Summary Statistics for a Single Variable

Application

Overview

Once we have framed some research questions and gathered relevant data, the next phase of an investigation is to examine the variability in the data. The goal of descriptive analysis is to summarize where things stand with each variable. In fact, the term statistics comes from the practice of characterizing the state of political affairs through ...