Reading Data Patterns with Histograms

A histogram shows how data is distributed in a data set. It uses an x-y graph to display the pattern of the data. The x-axis is labeled with what the data represents, such as distance from home to school. The y-axis shows frequency, relative frequency, percent frequency, or probability.

A histogr...

Recall that frequency distribution tables help  organize quantitative data with several categories, such as the number of books at different price ranges.

Such frequency distribution tables can be visually represented using histograms, a graph that consists of bars of equal width drawn without gaps. 

The vertical axis represents th...