Abstract
In this paper, a new imputation is developed for the treatment of missing data, which removes the bias of usual ratio imputation. The Jackknife variance estimators are provided and they are proved to be approximately design-unbiased under uniform response. Our method is compared with the existing method of Sitter and Rao (9) through simulation studies. The simulation studies show that the new method for missing data does reduce the bias without increasing the variance significantly.
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