Reading and interpreting data

This course is a part of Pre-algebra, a 10-course Topic series from Khan Academy.

This topic is less about statistics and more about interpreting data--whether it is presented as a table, pictograph, bar graph or line graph. Good for someone new to these ideas. For a student in high school or college looking to learn statistics, it might make sense to skip (although it might not hurt either).

This course contains 5 segments:

Representing data

Learn about different ways to represent and display data.

Stem and leaf plots

Learn how to read and interpret stem-and-leaf plots.

Picture graphs, bar graphs, and histograms

Read and interpret picture graphs, bar graphs and histograms. Also, make some graphs of your own!

Frequency tables and dot plots

A dot plot is like a bar chart, but it displays data using dots (not bars). And a frequency table is like a dot plot, but it displays data in a simple table (not a fancy diagram).

Number patterns

Let's explore how numbers can grow in different ways and use what we learn to figure out where they can go. We think you'll find this tutorial on number patterns more fun that you do :)