Bar Graphs

Front

What is a bar graph?

Back

A bar graph is a visual way to show information using bars of different heights or lengths to represent numbers.

Front

How do you read a bar graph?

Back

You look at the height of the bars to see how many items each category has.

Front

What does each bar in a bar graph represent?

Back

Each bar represents a different category or group of data.

Front

What is the purpose of a bar graph?

Back

The purpose of a bar graph is to compare different groups or categories of data.

Front

How can you find out which category has the most items in a bar graph?

Back

You look for the tallest bar, which shows the category with the most items.

Front

How can you find out how many more items one category has than another?

Back

You subtract the height of the shorter bar from the height of the taller bar.

Front

What does it mean if two bars are the same height?

Back

It means that both categories have the same number of items.

Front

What is the x-axis in a bar graph?

Back

The x-axis is the horizontal line that shows the categories being compared.

Front

What is the y-axis in a bar graph?

Back

The y-axis is the vertical line that shows the numbers or values.

Front

What is a category in a bar graph?

Back

A category is a group or type of data that is being compared in the graph.