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Outline
A Geometry Teacher Meets the Correlation Coefficient
The Problem That Started it All
Correlation Fun Facts
Fun Fact About Regression Lines
Fun Facts About Z-Scores
A Simpler Problem
A Geometry Teacher Meets the Correlation Coefficient
Author:
Steve Phelps
Topic:
Correlation
,
Geometry
An investigation into the correlation coefficient and some unexpected conics
Table of Contents
The Problem That Started it All
The Original Problem
Correlation Fun Facts
The Correlation Coefficient as a Slope
Correlation as the Cosine of an Angle
Correlation as a Geometric Mean of Slopes
Correlation as the Mean of Rectangle Areas
Fun Fact About Regression Lines
Correlation and the Least Squares Regression Line
Finding Equations of LSRL: Old School
Fun Facts About Z-Scores
Z-Scores as Geometric Transformations
A Simpler Problem
Correlation of the Vertices of a Triangle
Guess the Equation
Next
The Original Problem
New Resources
z`]]
Cartesian vs Polar
Damped Trochoidal Curve
Model sferyczny - dwunastościan-dwudziestościan
Fourier Lissajous (Mechanical)
Discover Resources
points1
f(x) = abs(x + 1) + x / (x² - 1)
Perpendicular Bisectors in a Triangle
Multi-Loop Circuit
Cuboctahedron I
Discover Topics
Perimeter
Circle
Cube
Piecewise Functions
Parallelogram
