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Variance Estimation with One Unit Per Stratum
H. O. Hartley, J. N. K. Rao and Grace Kiefer
Journal of the American Statistical Association
Vol. 64, No. 327 (Sep., 1969), pp. 841-851
Stable URL: http://www.jstor.org/stable/2283465
Page Count: 11
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A new solution to the problem of variance estimation with one unit per stratum is presented. This method may lead to smaller bias in variance estimation, in many situations, than the methods of `collapsed strata'. It requires that we can associate with the strata concomitant variables which are correlated with the strata means. Several numerical examples with one or two concomitant variables are considered.
Journal of the American Statistical Association © 1969 American Statistical Association