Bar graphs

Front

What is a bar graph?

Back

A bar graph is a visual representation of data using bars of different heights or lengths to show the quantity of each category.

Front

How do you read a bar graph?

Back

You read a bar graph by looking at the height or length of each bar to determine the value it represents.

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 categories of data easily.

Front

How can you find the total number of items in a bar graph?

Back

You can find the total by adding the values of all the bars together.

Front

What does it mean if a bar is taller than another bar?

Back

If a bar is taller than another, it means that the category it represents has a greater quantity.

Front

What is the x-axis in a bar graph?

Back

The x-axis is the horizontal line that usually 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 values or quantities of the categories.

Front

How do you label a bar graph?

Back

You label a bar graph by giving a title, labeling the x-axis and y-axis, and providing a key if necessary.

Front

What is a key in a bar graph?

Back

A key explains what each bar represents, especially if colors or patterns are used.