Statistics Vocabulary 7th Grade

A system distortion of a statistic as a result of the sampling process (The data is messed up and unfair)

• Random Sample

• Valid

• Bias

• Sample

The extent to which data points differ from each other or from the rest of the data

• Valid

• Variability

• Sample

• Bias

A subset of a population that accurately reflects the members of the population

• Representative Sample

• Random Sample

• Sample

• Sample Size

The number of units included in a sample of a population

• Valid

• Random Sample

• Sample Size

• Population

Data that is reliable

• Sample

• Variability

• Bias

• Valid

A subset of individuals selected from a population, each of which had an equal probability of being chosen (ex. picking names out of a hat or by spinning a wheel)

• Representative Sample

• Variability

• Random Sample

• Population

An entire collection of people, animals, plants, or objects from which data can be collected

• Representative Sample

• Population

• Random Sample

• Sample

A group of units selected from a larger group

• Representative Sample

• Population

• Random Sample

• Sample

Another word for subset is....

• variability

• a smaller group

• a giant original group

• a pizza