AP Stats Unit 1 Vocab

Front

descriptive statistics

Back

The branch of statistics that involves the organization, summarization, and display of data.

Front

inferential statistics

Back

The branch of statistics that involves using a sample to draw conclusions about a population.

Front

individual

Back

People, places, or things described by a data set.

Front

categorical (qualitative) variable

Back

Places an individual into one of several groups or categories (label).

Front

quantitative variable

Back

Numerical values for which it makes sense to find an average.

Front

discrete variable

Back

A quantitative variable that has specific values and cannot have values between these specific values.

Front

continuous variable

Back

A quantitative variable that can take on a wide or infinite number of values.

Front

distributions

Back

Tells us what values the variable takes and how often it takes these values.

Front

relative frequency

Back

Ratio or percent of individuals in a certain category.

Front

symmetric distribution

Back

The right and left sides of the histogram are approximately mirror images of each other.