This set contains questions regarding Type I and Type II errors, and the power of an inference test. Students differentiate between Type I and Type II errors, and their relationship to the null and alternative hypotheses.

Learn what Type 1 and Types 2 errors are in statistics and how they differ. Includes examples demonstrating the differences.

In this introductory lab activity, students will collect data that will graphically illustrate the relationship between mass and volume in determining the density in chemistry. Based on density, students will seek to determine a...

This section introduces the idea of the tails of a distribution, and provides exercises to help you become proficient in determining the type of test associated with various situations.

Explains what the statistical Chi-Squared Test is and how it is used in biology. A good cross-curricular site.