A note on the Cauchy–Schwarz inequality for expectations

Reza Farhadian

Communications in Statistics - Theory and Methods, 2024, vol. 53, issue 2, 812-813

Abstract: In this short communication we remark that the well-known Cauchy–Schwarz inequality for expectations of random variables is a consequence of Jensen’s inequality, which does not seem to have appeared previously in the literature.

Date: 2024
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DOI: 10.1080/03610926.2022.2092147

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