Collecting and Representing Data

الشرح

👀 Let's look

First collect the data.

Then draw one bar for each group.

Then each group gets one bar, drawn up to its count. The same width for every bar and the same gap between them, so that nothing but the height carries any meaning.

Count the tally before you draw anything. Redrawing a bar because the count was wrong takes longer than counting twice.

أمثلة محلولة