If the true correlation between X and Y within the general population is rho
=0, and if the size of the sample, N
, on which an observed value of r
is based is equal to or greater than 6, then the quantity
is distributed approximately as t
2. Application of this formula to any particular observed sample value of r
will accordingly test the null hypothesis that the observed value comes from a population in which rho
To assess the significance of any particular instance of r
enter the values of N
6] and r
into the designated cells below, then click the 'Calculate' button.
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