stats Flashcard Set

Statistics is the science and art of collecting, analyzing, and drawing conclusions from data.

An individual is an object described in a set of data. Individuals can be people, animals, or things. 

A variable is an attribute that can take different values for different individuals.

A categorical variable assigns labels that place each individual into a particular group, called a category. 

A quantitative variable takes number values that are quantities— counts or measurements.

The distribution of a variable tells us what values the variable takes and how often it takes those values.

A quantitative variable that takes a fixed set of possible values with gaps between them is a discrete variable.

A quantitative variable that can take any value in an interval on the number line is a continuous variable.