# Null Distribution of the Correlation Coefficient

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The Pearson correlation coefficient, , is considered in most introductory statistics courses. One of the questions students may ask is how large needs to be before it is likely to be important. Before presenting a formal significance test, it is helpful to show some simulations.

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Contributed by: Ian McLeod (March 2011)

Open content licensed under CC BY-NC-SA

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"Null Distribution of the Correlation Coefficient"

http://demonstrations.wolfram.com/NullDistributionOfTheCorrelationCoefficient/

Wolfram Demonstrations Project

Published: March 7 2011