The subset of the population from which numbers are obtained is known as the sample. The numbers obtained from the population are known as parameters, while the numbers obtained from the sample are known as statistics. It is through sample data that conclusions may be made about the population.
| Population |
Sample |
| A parameter is an observable quality that can be measured. |
Statistics is an observable quality that can be measured. |
| Every element of the population is a unique individual. |
A subset of the population is used to explore some aspects of the population. |
| An opinion report is a true representation of what happened. |
The reported values have a confidence level and an error margin. |
| All members of a group are included in the list. |
A particular portion of the population is represented by that subset. |
