random sampling

Definition A probability sampling technique that uses a two-step process to partition the population into subpopulations, or strata is known as stratified random sampling. Elements are selected from each stratum by a random procedure. Explanation Stratified Random Sampling emerges from the word...

Definition A probability sampling technique in which each element in the population has a known and equal probability of selection is known as simple random sampling (SRS). Every element is selected independently of every other element and the sample is drawn by a random procedure from a...