9-8

Different graphs are used to display different types of data

It is important to use the best form of graph for the data you are working with

Distribution

Relationships

Frequency

The frequency of scores on a test

The distribution and spread of the prices of homes

Line Plots show the distribution of data

Histograms show the frequency of data divided into equal groups

Choose the best way to display the data:

A person's height at different ages

Box-and-whisker plots show the distribution and spread of data

9-8

Circle graphs compare parts to a whole

Line graphs show change over time

Bar graphs show relationships or comparisons between groups

Which graph is the better representation of the change in the amount of students working over time?

Scatter Plots show the relationship of two data sets

Which graph better illustrates relationship between height and weight

Which graph is the best representation of the number of students whose favorite subject is history?