| A | B |
|---|
| population | A set of objects under consideration in a statistics context. |
| census | A collection of data from every member of a population. |
| sample | A subset of a population. |
| sampling frame | A list of every member of the population. |
| representative sample | A subset of the population whose properties reflect those of the population from which it comes. |
| simple random sample | A subset of a population that is chosen with equal likelihood independent of any other member of the population. |
| inference | The act of drawing conclusions about a population based on a sample. The sample mean provides a good estimate for the population mean. |
| systematic sample | A subset of the population created by taking members of the population at regular intervals from the sampling frame. |
| stratified sample | A subset of the population created by identifying different sections of the population and ensures that those groups are represented in appropriate proportions in the sample. |
