Can I use a point-biserial correlation if my data is not normally distributed and my sample size $N = 120$?
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$\begingroup$ Is the question about the statistic itself or about its significance test? $\endgroup$– ttnphnsCommented Mar 4, 2014 at 7:15
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$\begingroup$ the statistic itself $\endgroup$– Mahmoud IsmaelCommented Mar 4, 2014 at 23:02
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1$\begingroup$ Yes, you may use the statistic for non-normal data. $\endgroup$– ttnphnsCommented Mar 5, 2014 at 6:55
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