After completing this lesson, you should be able to learn the following:
11. Inference for One-Way ANOVA
Comparing many group means.
Analysis of Variance model.
F-Test.
Inference procedures for comparing group means.
Reading Assignment
Read chapter 12 in Introduction to the Practice of
Statistics.
Activities
Key Terms
Chapter 12
Group means
Within Group Variation.
Between Group Variation.
F-distribution. (2 sets of degrees of freedom).
Multiple Comparisons.
Chapter 12: Study Questions
If the observations in group 1 were all 12.1, and if the observations
within group2 were 12.2, and if all the observations in group 3 were
14.7, what would the value of the Mean Square for within groups be?
Can the F-statistic ever be negative?
What does a small p-value for the overall f-test imply about the
group averages?
Chapter 12: Study Notes
Lecture
Notes Lecture notes for chapter 12 in acrobat format.
Do the following assignment. The problems listed are from
"Introduction to the Practice of Statistics".
When you have worked on the problems and are ready to turn in
your findings, click the assignment
link below. It will take you to a template where you can fill in your
answers to the questions. When you are
finished entering your answers, click the submit button, you will be
given the location of your completed web
page. You may check your assignment responses with your browser at any
time, and submit a revision at any
time before the due date of the assignment. The due date is Monday
May 10.
CHAPTERS 10 and 12Exercise 10.7, 10.32, 12.2, 12.10
