AcknowledgmentAuthor(s): Bill MitchellSource: Operations Research, Vol. 23, No. 1 (Jan. - Feb., 1975), p. 178Published by: INFORMSStable URL: http://www.jstor.org/stable/169797 .

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Acknowledgment

Bill Mitchell

California State University, Hayward, California

(Received August 23, 1974)

NILS BLOMQUIST of the University of Goteborg has pointed out that Theorem .N l of my papert21 is a special case of Theorem m in E. L. Lehmann's paper."'

1. E. L. LEHMAMN, "Some Concepts of Dependence", Ann. Math. Stat. 37, 1137-1153 (1966). 2. BILL MITCHELL, "Variance Reduction by Antithetic Variates in GI/G/1 Queuing Simu-

lations," Opns. Res, 21, 988-997 (1973).

178

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