This online textbook applies calculus to probability and statistics in a business context. Chapters include 1.Continuous Random Variables and Histograms, 2. Probability Density Functions: Uniform,...

This article describes a hands-on class activity for understanding the bivariate normal distribution by constructing a three-dimensional model.

This short article discusses the difference between "important" and "statistically significant." The data used come from a study comparing male faculty salaries to female faculty salaries.

This page calculates either p-value or critical value for a standard normal distribution.

This page calculates either p-value or critical value for a Chi-square distribution. User can specify degrees of freedom.

Log In: