Goal

I can make and interpret box plots.​

are values that divide ​a data set into four equal parts.

​Quartiles

a diagram that shows the distribution of data values using the median, quartiles, minimum value, and maximum value on one number line.

​Box Plot

Vocabulary

Example 1: Make a box plot

Helen ​wants a display the lengths of 15 fish she caught this year to compare to the lengths of fish she caught last year. How can she use the data to make a box plot?

Example 2: Make a box plot

​The Earth Club collected enough donations online to build compost bins. How can the club record the donation information in a box plot?

Interpret a box plot

The ​box plot shows the distribution of the weights, in pounds, of bags of bags of donated clothing. What information do you know from the box plot.

Key Concept

A box ​plot shows a distribution of data values on a number line. A box plot visually represents a data set divided into four equal parts.