Statistics: The Science and Art of Data (Into to Stats)

Statistics

the science and art of colleting, analyzing, and drawing conclusions from data

Individual

an object described in a set of data; they can be people, animals, or things

Variable

an attribute that can take different values for different individuals

Categorical variable

assigns labels that place each individual into a particular group, called a category

Quantitative Variable

takes number values that are quantities; counts or measurements

Discrete variable

a quantitative variable that takes a fixed set of possible values with gaps between them

Continuous variable

a quantitative variable that can take any value in an interval on the number line

Distribution

tells us what values that variable takes and how often it takes those values