© 1984 by Biometrika Trust
MISCELLANEA |
Second-order inclusion probabilities in sequential sampling without replacement with unequal probabilities
Netherlands Central Bureau of Statistics Voorburg, Netherlands
Necessary and sufficient conditions for strictly positive second-order inclusion probabilities are given for a sequential sampling scheme proposed by Chao (1982), in which elements are selected without replacement and with unequal probabilities.
Key Words: Sampling without replacement Sequential sampling Unequal probability sampling Variance estimation