A simple random sample is a subset of a statistical population where each member of the population is equally likely to be chosen.

This example illustrates the use of regression analysis in a simple random cluster sampling design. The data are from S rndal, Swenson, and Wretman (1992, p. 652). A total of 284 Swedish ...

Random sampling using quadrats Sampling of the area you are studying must be random. It must show no bias – for instance, choosing to sample where there are lots of plants.

Random or systematic Random sampling using a quadrat involves the placing of quadrats at random coordinates.