STA 2023 Lecture Notes - Lecture 2: Random Number Table, Simple Random Sample, Convenience Sampling
Document Summary
Simple random- assign a number to each population member and use a random- number table to select individuals to included in the sample. Systematic- a starting number is randomly selected and sample members are selected at regular intervals (every kth subject) Stratified- divide the population into groups (called strata) according to some characteristic that is important to the study, then sampling from each group. Samples within the strata should be randomly selected. Cluster- divide the population into groups called cluster by some means such as geographic area or schools, etc. Then, randomly select some of these clusters and use all members of the selected cluster as the subjects of the samples. I would like to hear ____________ news first. An important part of employee compensation is a benefits package, which much include health insurance, child care, vacation days, retirement plan, bonuses, etc. Suppose you want to conduct a survey of benefits packages available in private businesses in hawaii.
