Algebra II - Ch. 9 Vocab

The collection of all data, such as responses, measurements, or counts, that are of interest

• Population

• Sample

• Parameter

• Statistic

A subset of a population

• Population

• Sample

• Parameter

• Statistic

A numerical description of a population characteristic

• Population

• Sample

• Parameter

• Statistic

A numerical description of a sample characteristic

• Population

• Sample

• Parameter

• Statistic

The ratio of members of a population with a particular characteristic to the total members of the population

• Population

• Sample

• Population proportion

• Sample proportion

The ratio of members of a sample of the population with a particular characteristic to the total members of the sample

• Population

• Sample

• Population proportion

• Sample proportion

A claim about a characteristic of a population

• Statement

• Hypothesis

• Claim

• Question

Each member of a population has an equal chance of being selected

• Random sample

• Self-selected sample

• Stratified sample

• Cluster sample

Members of a population can volunteer to be in the sample.

• Self-selected sample

• Systematic sample

• Convenience sample

• Stratified sample

A rule is used to select members of a population.

• Convenience sample

• Cluster sample

• Systematic sample

• Random sample