Reitz | MEDU 3000 | D200 | Spring 2022

# Category: Lessons(Page 1 of 3)

Counting things is hard! The following rules are shortcuts that allow us to count certain collections of things rapidly.… Read More

## Categorical vs quantitative variables

Quantitative variables are any variables where the data represent amounts.
Categorical variables are any variables where the data represent groups.… Read More

Probability is a measure that is associated with how certain we are of the outcomes of a particular experiment or activity. An experiment is a planned operation carried out under … Read More

Before we can discuss volume, we have to know some basic facts about 3- dimensional space. The first order of business is to set up a coordinate system in 3-space.

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Very roughly, a geometric measurement (i.e. length, area, and volume) assigns a nonnegative number to a geometric figure that serves to indicate the “size” of the figure relative to a

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Why do we care so much about triangles? Why don’t we have something like “trigonometric functions” for other shapes, like rectangles, pentagons, etc?

Furthermore, why does trigonometry focus on right … Read More

Circles arise naturally in geometry (they are an immediate consequence of the notion of distance), and we use them extensively in geometric constructions (after all, a compass is essentially a … Read More

Today we look again at Geometric Constructions, this time using more modern tools. Software can easily replicate the capabilities of the ruler and compass – but can also be used … Read More

## Axiomatic systems

The intuitive idea of an axiomatic system is very simple. Suppose we want to explain a given assertion A. In so doing, let us say we have to

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