Sequences

Analyzing Distributions

What the shape of data tells you about where to look for its center and spread.

Box Plots and IQR

How to See Where Data Spreads, Clusters, and Hides.

Linear Regression

Finding the Line That Best Fits a Set of Data Points.

Scatter Plots and Correlation

How to find a relationship hiding inside a cloud of points.

Standard Deviation

How far does a dataset typically stray from its center?

Two-Way Tables and Relative Frequencies

Reading the hidden relationships inside a table of counts.