Practical Data Analysis with JMP, Second Edition, 2nd Edition

10 Inference for a Single Categorical Variable

Overview

Two Inferential Tasks

Statistical Inference is Always Conditional

Using JMP to Conduct a Significance Test

Confidence Intervals

Using JMP to Estimate a Population Proportion

Working with Casewise Data

Working with Summary Data

A Few Words About Error

Application

Overview

Beginning with this chapter, we enter the realm of inferential statistics, where we generalize from a single sample to draw conclusions about an entire population or process. When statisticians use the term inference, it refers to two basic activities. Sometimes we want to ask whether the parameter is or is not equal to a specific value, and sometimes we want to estimate the value of a population parameter. In this chapter, ...