Methods for Proportions Relations between Categorical Variables

11/17/98


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Table of Contents

Methods for Proportions Relations between Categorical Variables

Goals for Chapter 10

Difference in Sample Proportions-- standard deviation, confidence interval

Example for Proportion Differences

Calculating Conditional Percentages

Statistical Significance of 2x2 Tables--1

Assessing Statistical Significance of Tables--2

Calculating the Chisquare Statistic-Expected Values

Calculating the Chisquare Statistic--Differences

Calculating the Chisquare Statistic-2x2 Tables

Two X Two Tables and Chi-Square Statistics

2x2 Table and Chisquare Statistic Example,cont.

Risk and Odds

Relative Risk and 2x2 Tables

Odds Ratio and 2x2 Tables

Simpson’s Paradox and Hidden Variables

Goodness of Fit-- Comparing Observed with Theoretical Proportions

Comparing Several Proportions, Categories

Comparing Several Proportions, Categories

Email: rkurland@ptd.net

Home Page: http://www.departments.bucknell.edu/management/courses/mgmt242/index.html

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