Stratified random sampling is a method of sampling that divides a population into smaller groups that form the basis of test samples.

Q: We frequently need to select samples of populations for test of transaction work when auditing or reviewing client financial data. Currently, each staff member uses his or her own sampling method, ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...