Lessons for Topic 1.11
Cluster samples and choosing a designSplitting the population into naturally occurring groups and taking every member of a few of them.Lesson
Random samplingEvery member equally likely, so the sample looks like the population.Lesson
Simple random samples and the sampling frameA sample drawn so that every group of the chosen size is equally likely.Lesson
Stratified random sampleSplitting the population into similar groups first, then sampling at random inside each.Lesson