Bar Graph Review

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

To read a bar graph, look at the height of each bar to determine the value it represents for each category.

Front

What does the x-axis represent in a bar graph?

Back

The x-axis typically represents the categories being compared.

Front

What does the y-axis represent in a bar graph?

Back

The y-axis represents the values or quantities for each category.

Front

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

Back

Add the values of all the bars together to find the total number of items.

Front

What does it mean if two bars are the same height in a bar graph?

Back

If two bars are the same height, it means that the two categories have the same quantity.

Front

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

Back

Look for the tallest bar; the category represented by that bar has the most items.

Front

What is the purpose of a bar graph?

Back

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

Front

What type of data is best represented by a bar graph?

Back

Bar graphs are best for categorical data, where you want to compare different groups.

Front

How do you calculate the difference between two categories in a bar graph?

Back

Subtract the value of one category from the value of another to find the difference.