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Table 7 Optimal replications (rounded to the nearest integer) of n that minimize the variance of θ ^ MathType@MTEF@5@5@+=feaafiart1ev1aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8akY=wiFfYdH8Gipec8Eeeu0xXdbba9frFj0=OqFfea0dXdd9vqai=hGuQ8kuc9pgc9s8qqaq=dirpe0xb9q8qiLsFr0=vr0=vr0dc8meaabaqaciaacaGaaeqabaqabeGadaaakeaaiiGacuWF4oqCgaqcaaaa@2E79@ subject to cost constraints.

From: Interval estimation and optimal design for the within-subject coefficient of variation for continuous and binary variables

     r
     0.1 0.5 1 1.5 5 10 20
     n opt
    0.6 62 72 83 92 142 193 266
  0.01   0.7 50 58 66 74 114 155 213
    0.8 38 44 52 57 88 118 163
    0.6 16 19 21 24 36 49 67
  0.04   0.7 13 15 17 19 29 39 54
    0.8 10 12 14 15 23 30 42
    0.6 7 8 9 10 15 20 28
  0.10   0.7 6 7 8 8 12 17 22
    0.8 5 5 6 7 10 13 17
θ   ρ         
    0.6 5 6 7 7 11 14 19
  0.15   0.7 4 5 5 6 9 11 15
    0.8 3 4 4 5 7 9 12
    0.6 3 3 4 4 6 8 10
  0.30   0.7 3 3 3 4 5 6 9
    0.8 2 2 3 3 4 5 8
    0.6 3 3 3 3 5 6 8
  0.40   0.7 2 2 3 3 4 5 7
    0.8 2 2 2 2 3 4 5