The Balloon Rules for a Rough Estimate of the Correlation Coefficient
- 1 February 1984
- journal article
- research article
- Published by Taylor & Francis in The American Statistician
- Vol. 38 (1) , 58-60
- https://doi.org/10.1080/00031305.1984.10482875
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.Keywords
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