GeoGebra
GeoGebra
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
Drawing an Ellipse
Rolling Table
Chapter-13: Fitting curve to data (Cat)
Chapter-07: Change of basis
u - Substitution (Integral Calculus)
Discover Resources
Geometric Properties Triangle
การบวกจำนวนเต็ม
Copie de 3D Basement
S1 Condition ASA
Aaron Halo Distances ARC-L1
Discover Topics
Incircle or Inscribed Circle
Special Points
Centroid or Barycenter
Planes
Multiplication
