References
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- Brown , Robert A. and Singpurwalla , Nozer D. 1972 . “Some Inequalities for Certain Functions of Order Statistics from IFR Distributions” , Berkeley : University of California . Operations Research Center Report ORC 72–18, Also issued as Technical Memorandum Serial TM-63344, Program in Logistics, The George Washington University, Washington, D.C.
- Van Zwet , W. R. 1967 . “An Inequality for Expected Values of Sample Quantiles” . The Annals of Mathematical Statistics , 38 ( No. 6 ) : 1817 – 21 .