Introduction to Biostatistics with JMP

Chapter 10: Tests of Differences Between More Than Two Groups

Data do not give up their secrets easily. They must be tortured to confess.

Jeff Hopper, Bell Labs

Introduction

Comparing Unrelated Data

Why not…?

So how…?

Can you…?

Our Strategy Applied

How Do You Read the Reeds?

Comparing Related Data

Introduction

In the previous chapter, we first looked at comparing two groups of independent, that is, unrelated data, by comparing their means. Remember from Chapter 3, unrelated means we are talking about the experimental design and how the data was collected. The unrelated data from the previous chapter was collected from two populations whose members were totally different, in other words, unrelated. This is compared to the second data set we looked ...