The ANOVA analysis of variance test is a fantastic tool when your data follows the normal distribution. Should your data fall ...

We will review the concept of sample variance and derive the “t-test ... In this module, we will consider some problems where the assumption of an underlying normal distribution is not appropriate and ...

This wonderfully animated applet helps users understand the sample mean's properties, using simulated fish length data which is assumed to come from a normal distribution. Users can choose the sample ...