Summary

Let's wrap up this chapter.

All statistical analysis starts with a basic description and the experimental design. The aim is to use one or more explanatory variables to understand differences in a response variable. Categorical explanatory variables are known as factors. We can describe the signal with a measure of central tendency (mean, median, or mode) and the noise with a measure of variability (usually the standard deviation).

Get hands-on with 1400+ tech skills courses.