21. The census measure would block the government from developing sampling techniques that could greatly improve the 2000 census. 22. Using the random-sample techniques of a household survey, Bustamante estimates the flow of undocumented migrants crossing the border. 23. This is, simply, the cluster-sample technique . 24. The Ultramagnetic MCs released a new school classic in 1988, " Critical Beatdown ", introducing many new sampling techniques . 25. Moreover, the company brings in outside statisticians on a regular basis to verify the accuracy of its sampling techniques . 26. Because of that, it is common to use sampling techniques to discover some sort of average in a population. 27. TV sets with digital circuitry use sampling techniques to process the signals but the end result is the same. 28. Each employs slightly different sampling techniques , asks different questions and tabulates its results at different times of the month. 29. Census officials say such advances, on top of sophisticated sampling techniques , will ensure the best and most secure results. 30. The other would have banned a census sampling technique designed to ensure a more accurate count of minority populations.