The Balloon Rules for a Rough Estimate of the Correlation Coefficient

Authors
Châtillon, Guy
Citation
Châtillon, Guy, The Balloon Rules for a Rough Estimate of the Correlation Coefficient, American statistician , 38(1), 1984, pp. 58-60
Journal title
American statistician → ACNP
ISSN journal
00031305
Volume
38
Issue
1
Year of publication
1984
Pages
58 - 60
Database
ACNP
SICI code
Abstract
By surrounding the sample plot with a kind of birthday balloon, we can guess the value of Pearson's correlation coefficient, r, in a very simple way.