Biostatistics Using JMP

Chapter 4: Initial Data Analysis with Descriptive Statistics

4.1 Introduction

4.2 Histograms and Distributions

4.2.1 Histograms

4.2.2 Box Plots

4.2.3 Stem-and-Leaf Plots

4.2.4 Pareto Charts

4.3 Descriptive Statistics

4.3.1 Sample Mean and Standard Deviation

4.3.2 Additional Statistical Measures

4.4 References

4.1 Introduction

When you begin to analyze a data set, both descriptive statistics and visualizations are among the first methods to use. Both methods provide a brief overview about a data set and both lend themselves to interpretations by an audience or reader. To fully understand your data, you should always start by examining it with these methods.

Descriptive statistics involve computing basic quantitative information about data and ...