AP Stat Vocab Flashcard Chapters 1-4

Front

Uses adjacent bars to show the distribution of a quantitative variable.

Back

Histogram

Front

The point in a variable's distribution summarizing it with a single number, including mean and median.

Back

Center

Front

One-dimensional plot of quantitative data with dots above x-axis values.

Back

Dotplot

Front

One mode

Back

Unimodal

Front

A distribution with a mirrored graph on both sides.

Back

Symmetric Distribution

Front

Graphical display for categorical data with frequencies in bars.

Back

bar chart

Front

A 2D table (rows x columns) that cross-classifies subjects/events on two categorical variables.

Back

Contingency Table

Front

In a two-way table of counts, the distribution of one categorical variable among all individuals described by the table. Totals found in the margins.

Back

Marginal Distribution

Front

Averages across groups can contradict overall averages.

Back

Simpson's Paradox

Front

In a statistical display, each data value should be represented by the same area.

Back

Area Principle