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

Almost every wildlife biologist has experienced the sinking feeling of finding an injured or dead animal in a live-trap. Live-traps are used to capture animals, so we can monitor the health of ...

When auditing a company, auditors use a combination of professional judgment and statistical sampling methods to estimate account balances. Statistical sampling is an efficient way to design samples, ...