ABSTRACT
WEHAvEnowlookedbothatthebasicideasofsamplingandatthedesignsthatarecommonlyused.Itremainstodiscuss afewotheraspectsofsamplingofgeneralimportance-the
questionofsamplesize,theuseofrandomsamplingnumbers, samplingframes,andtheproblemofnon-response-beforegivinga detailedillustrationofoneparticularsampledesigninthefollowing chapter.