If you missed class today, you missed the quiz over all 3 types of Chi-squared tests. We also did a little review over linear regression computer outputs, but did not learn any new material today.

Here is the worksheet that accompanies HW #26 (along with Ch 26, #8, 17, 22).

• Regression Review (Computer Printout) [part of HW #26]

If you've completely forgotten how to handle these:

• Here are the regression notes from October...
• ...and here is the 1st semester computer output worksheet (with solutions).

Here are the notes / examples for both Chi-sq tests for Homogeneity and Independence:

• 26 Notes - Chi Squared (2-way) DOWNLOAD
• Chi-Sq Foldable Overview

Here is a basic example for Chi-squared Goodness of Fit tests:

• 26 Notes - Chi Squared GOF (M&Ms) DOWNLOAD

Here is the review for the last test before Spring Break, scheduled for Tues/Weds, March 8/9.

Note: Originally, there was a typo on #13 - the mean for Group B should be 80.7, and the st. dev. for Group B should be 15.056 (but the numbers in the tables were correct).

• Ch 23-25 Review: Full Version (7 pages) | Short Version (3 pages)
• Answers only (some of them) (Check full solutions in tutorials)

• * Additional review: Chapter 23 - 25 Extra Practice Problems (answers are on the last page)

Here are the notes for class #18, which is the last major lesson before Spring Break(!) over paired t-procedures.

• 25 Notes - Inferences with Matched Pairs (Powerpoint)
• Example problem: Caffeine Dependence (class notes)