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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
Multiplying 4-Digit by 3-Digit Numbers Using an Area Model
Multiplying 4-Digit by 4-Digit Numbers Using an Area Model
A Happy Polar Leaf
Determinant Equation of a Line
Untitled
Discover Resources
runner model
Area of a Trapezoid
Function transformation practice 3.1.2016
Solução Gráfica de Sistemas de 2 equações e 2 incógnitas
การแยกตัวประกอบพหุนาม
Discover Topics
Probability
Unit Circle
Arithmetic Mean
Addition
Special Points
