12 - Two-way contingency tables, Chi-squared test for independence (Nov. 23-29)
Two Way Tables; Chi-Squared Test for Independence
Learning Objectives
- Understand how to construct and interpret a two-way table.
- Identify or compute the joint and marginal distributions from the table.
- Be able to calculate the expected cell count and the chi-square statistic.
- State the null hypothesis for a chi-square test and describe how to conduct the test.
- Enjoy Thanksgiving break (but reviewing the statistical material would be good!)
Video Lectures
- Lesson 14 Introduction: "Two-way Contingency Tables, and the Chi-squared Test" Links to an external site. (2 minute)
- Lesson 14.1 Links to an external site. (13 minutes)
- Lesson 14.2 Links to an external site. (16 minutes)
- Lesson 14.3 Links to an external site. (16 minutes)
Readings
- IPS Text Chapter 9.1, 9.2
- BIA Stuart Download Stuart (for discussion 11/30); consider BIA questions
Assignments
- Due Dec 1: Homework #10
- Due Dec 1: Lab #10
Required Online Adobe Connect Sessions
- No Happy Hour -- Thanksgiving Break
- Monday, Nov. 28, 7-8:20 pm ET - Lab Connect meeting with Swastina Shrestha
- Week 12 Lab Connect recording
Powerpoint Slides
- Lesson #14 video lecture slides Download lecture slides
- Lab slides
Additional Resources
- Practice quizzes, vocabulary flashcards, statistical applets