Experiments When Each Subject Receives More Than One Treatment: Introduction Print Section Listen The procedures for testing hypotheses discussed in Chapters 3, 4, and 5 apply to experiments in which…
How to Analyze Rates and Proportions: Introduction Print Section Listen The statistical procedures developed in Chapters 2 to 4 are appropriate for analyzing the results of experiments in which the…
How to Test for Trends: Introduction Print Section Listen The first statistical problem we posed in this book, in connection with Figure 1-2A, dealt with a drug that was thought…
Confidence Intervals: Introduction Print Section Listen All the statistical procedures developed so far were designed to help decide whether or not a set of observations is compatible with some hypothesis….
The Special Case of Two Groups: The t Test: Introduction Print Section Listen As we have just seen in Chapter 3, many investigations require comparing only two groups. In addition,…
How to Analyze Survival Data: Introduction Print Section Listen All the methods that we have discussed so far require “complete” observations, in the sense that we know the outcome of…
What Does “Not Significant” Really Mean?: Introduction Print Section Listen Thus far, we have used statistical methods to reach conclusions by seeing how compatible the observations were with the null…
How to Test for Differences between Groups: Introduction Print Section Listen Statistical methods are used to summarize data and test hypotheses with those data. Chapter 2 discussed how to use…
How to Summarize Data: Introduction Print Section Listen An investigator collecting data generally has two goals: to obtain descriptive information about the population from which the sample was drawn and…
Alternatives to Analysis of Variance and the t Test Based on Ranks: Introduction Print Section Listen Analysis of variance, including the t tests, is widely used to test the hypothesis…
