Identify the Sampling Method. Identify the sampling method (simple randomsampling, systematic sampling, convenience sampling, or stratified sampling) in the followingstudies.29. An IRS (Internal Revenue Service) auditor randomly selects for audits 100 singletaxpayers in each of the filing tax brackets.
Notice that the sampling applied takes into account each bracket, which are categories. This means it's a stratified sampling because the population is being devided into sub-populations or categories.