A sample refers to a subset of individuals or items taken from a larger group, known as a population. This smaller group is selected to represent the characteristics of the entire population for analysis. Samples are used because studying the entire population can be impractical or time-consuming.
By examining a sample, statisticians can draw conclusions about the entire population with a certain level of confidence. The goal is to make informed inferences about the population’s attributes based on the characteristics observed within the sample.
