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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
Exploring the Derivative of an Exponential Function
Open Middle Logarithm Exercises (1)
Exploring Simple Loci 探究簡單軌跡
Droste effect draft
What is an Isogonal Conjugate?
Discover Resources
Tessellation 2
Gradients of chords on a cubic
Triangles on a Plane
Untitled
Angle in a Semi-circle 2
Discover Topics
Sequences and Series
Median Line
Constructions
Differential Calculus
Rational Numbers