STAT 231  INTRODUCTION TO STATISTICS
SPRING 2001  BREWER

On this page you can access overheads from class lectures, handouts, and other class materials.  Click on the links below for the materials you need, and then use your browser to print them out or download them.  If you download them, you'll be able to edit them and format them to your own specifications.

Overheads

Purposes of statistics

Overview of research design, scales of measurement

Research design and methods (pt. 2), frequency distributions

Displaying univariate data

Measures of central tendency and distribution shapes

Measures of dispersion

Bivariate relationships: categorical data

Bivariate relationships: categorical data - measures of association

Regression and correlation

Normal distribution

Sampling distributions

Estimation/confidence intervals

Significance testing

Time series

Meta-analysis
 
 

Homework Questions

weeks 1-3

homework #4

homework #5

homework #6

homework #7

homework #8

homework #9

homework #10
 
 

Other materials

syllabus

extra credit assignments

project paper assignment
 

Web tools for demonstrations and data analysis

Survey Documentation and Analysis

WebStat 2.0

Mean, median, and standard deviation demonstration

Comparing interval scale distributions

Regression demo 1 (Regression by Eye)

Regession demo 2 (Regression Applet)

Regression demo 3 (Put Points)

Correlation demo 1 (West's version of Marden's Applet)

Correlation demo 2 (Scatter, Correlation, and Regression)

Correlation demo 3 (Correlation coefficient)

Influence of restricted range on correlation

Transformations

Sampling distributions

Confidence interval for a mean

Confidence interval for a proportion