... is required.Finding the optimal K involves determining EXK +1−EXKwith someprecision. We can reduce the sampling variation in our estimate of this by inducing positivecorrelation ... 978-0-470-85495-2 (PB)ISBN -10: 0-470-85494-4 (HB) 0-470-85495-2 (PB)Typeset in 10/ 12pt Times by Integra Software Services Pvt. Ltd, Pondicherry, IndiaPrinted and bound in Great Britain by Antony Rowe Ltd, ... × 1101 +11 =0 110 00000000 100 0 1101 0011+ (2.9)0111 100 0(2 .10) xii PrefaceAppendix 5 to illustrate the efficacy of the various designs, including importance andstratified sampling.Chapters...