So we collect sample data, what next? We make pretty and informative charts and graphs, and provide summary statistics.
When we have two quantitative variables that may be related, we try to find a relationship between them. One technique is linear regression.
Much of the structure of our world is about geometry. Here we start with some basic shapes and properties.
Next, polygons and tessellations.
And now for some symmetry.
Measurement of length, area, and volume.