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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
Explore the invariant lines of matrix {{-2,5},{6,-9}}
Poorly Drawn Parallelograms 2
探究由平行線和截線所成的角
Poorly Drawn Parallelograms
Discover Resources
Parent Functions
اكتشاف مساحة متوازي الاضلاع
Caroline_NumericalInvariantsA
ΑΣΚΗΣΗ 3
Equidistant lines on the Poincaré disc model
Discover Topics
Quadratic Equations
Ellipse
Constructions
Sequences and Series
Tree Diagrams