Listy Biometryczne – Biometrical Letters, Vol. 41 (2004), No.2, 71-76


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A REMARK ON THE COMPARISON OF MEAN ESTIMATES IN BIVARIATE NORMAL SAMPLE WITH
MONOTONE PATTERN OF MISSING DATA


Joanna Tarasińska

Institute of Applied Mathematics, University of Agriculture,
Akademicka 13, 20-934 Lublin


The distribution of standardised ML estimate of mean in bivariate normal sample with monotone pattern of missing data is considered and compared with the distribution of standardised complete case estimate. The plots of pdf’s and calculations of cdf’s are given for chosen small sample sizes.


bivariate normal distribution, missing data, maximum likelihood estimate.