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Simple Random Sample

Definition

A simple random sample is a subset of individuals from a larger population, where each individual has an equal chance of being selected. It ensures that every member of the population has an equal opportunity to be included in the sample.

Analogy

Imagine you have a bag filled with different colored candies. To get a simple random sample, you close your eyes and randomly pick out a few candies without looking. This way, every candy in the bag has an equal chance of being chosen.

Related terms

Sampling Frame: The list or set from which a simple random sample is drawn. It includes all the individuals or elements that make up the population.

Sampling Error: The difference between the characteristics observed in a sample and the true characteristics of the entire population due to randomness in selecting samples.

Representative Sample: A sample that accurately reflects the characteristics and diversity of the entire population it represents.