Correlation: From Picture to Formula.

Authors: 
Holmes, P.
Editors: 
Goodall, G.
Type: 
Journal Article
Category: 
Teaching
Volume: 
23(3)
Pages: 
8-May
Year: 
2001
Publisher: 
Teaching Statistics
Abstract: 

Correlation is introduced intuitively early in the school curriculum by considering patterns in scatter diagrams. Later on, various formulae are used for calculating correlation coefficients. This article suggests ways in which the formulae can be related to the scatter diagrams.

The CAUSE Research Group is supported in part by a member initiative grant from the American Statistical Association’s Section on Statistics and Data Science Education