A graph using marks (e.g., X, ยท) above a number on a number line to show the frequency of data.

A graph that uses Xs to show information and compare quantities.

A sketch of data in which check marks, X's, or self-stick notes above a number line show the frequency of each value.

A number line with dots or other marks above it to show the number of times an event occurs. (H)

(4) A sketch of data in which check marks, X's, or other marks above a number line show the frequency of each value.

A graph showing frequency of data on a number line. The graph shows each piece of data as a dot or mark.