2022-05-29T05:23:08Zhttps://nagoya.repo.nii.ac.jp/oaioai:nagoya.repo.nii.ac.jp:000251922021-05-10T05:57:20ZEquivalence of Statistical Independence and No-Correlation for a Pair of Random Variables Taking Two ValuesOhira, Toru75259It is well known that when a pair of random variables is statistically independent, it has no-correlation (zero covariance), and that the converse is not true (e.g. [1]). However, if both of these random variables take only two values, no-correlation entails statistical independence. We provide here a general proof.other2018-03-05application/pdfhttps://nagoya.repo.nii.ac.jp/record/25192/files/sti3.pdfeng