Statistics for Six Sigma Green Belts with Minitab and JMP

Introduction

The definition of statistics, according to Deming [see References 4 and 5], is to study and understand variation in processes and populations, interactions among the variables in processes and populations, operational definitions (definitions of process and population variables that promote effective communication between people), and ultimately, to take action to reduce variation in a process or population. Hence, statistics is broadly defined as the study of data to provide a basis for action on a population or process. Statistics is often divided into two branches: descriptive statistics and inferential statistics.

Descriptive statistics focus on the collection, analysis, presentation, and description of a set of data. For example, ...