This applet is designed to help students visualize p-value by allowing them to set null and alternate hypotheses, population parameters, and sample statistics. It accompanies "Practice of Business Statistics," but can be used without this text.
Researchers studying crime suggest that there is substantial variation in the amount of serious crime across large urban jurisdictions such as central cities. There have been many attempts to account for crime variation. The following raises questions about how populations may be linked with crime variation. One key component of serious crimes involves those that are conceptualized as being...
This tutorial introduces the basic concepts of probability using various examples. Topics include interpreting probability, calibration experiments, interpreting odds, sample space, basic rules, equally likely outcomes, constructing probability tables, unions and complements, mean, and two-way probability tables. A link to activities is also given.
This tutorial contains SAS and SPSS instructions for categorial analysis techniques such as logistic regression and probit regression including models for ordered or unordered multiple choices. Key Words: Multinomial Logistic Regression; Conditional Logistic Regression.
In this activity, students will perform a two-way ANOVA on a dataset containing rainfall amounts for seeded and unseeded clouds in each of the 4 seasons. Questions about the exercise are given as well as a link to Excel instructions. The data exist in Excel and text formats.