Algebra 2 Study Vocab

Front

Categorical variable

Back

the values belong to a limited set of possible categories

Front

Quantitive variable

Back

values are numbers that you could meaningfully count, add, subtract and so on

Front

Parameter

Back

a measure that describes a population

Front

Statistic

Back

a measure that describes a sample of the population

Front

Sample survey

Back

asks every member of a sample the same set of questions & records the same answers

Front

Experiment

Back

applying a treatment to some group or groups & measuring the effects of the treatments

Front

Observational study

Back

you measure or observe members of a sample in such a way that they are not affected by the study