Dot Plot

Free interactive math game: Dot Plot — Read dots. Part of the Statistics category on MathKite.

Example problems

Taken from the generator that powers this exercise. A fresh set appears every time the page is opened, and the printable worksheet holds ten of them.

  1. How many data points are shown?
  2. What is the range of the data (max − min)?
  3. Which value appears most often?

About this exercise

Reading a dot plot, where each mark is one observation.

How to solve it

Count the dots above each value. The tallest column is the mode, and the total number of dots is the sample size.

Worked example

Four dots above the value 6 mean the value 6 occurred four times.

Common mistake

Reading a column height as the value. The value is on the axis below.