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 compare quantities.

Front

How do you read a bar graph?

Back

To read a bar graph, look at the height or length of the bars to determine the value they represent.

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 associated with each category.

Front

How can you determine the total number of respondents in a bar graph?

Back

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

Front

What is the purpose of using a bar graph?

Back

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

Front

How do you calculate the percentage of a category in a bar graph?

Back

To calculate the percentage, divide the value of the category by the total value and multiply by 100.

Front

What is the difference between a vertical and horizontal bar graph?

Back

A vertical bar graph has bars that extend upwards, while a horizontal bar graph has bars that extend sideways.

Front

How can you find 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.

Front

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

Back

If a bar is taller than another, it indicates that the category it represents has a higher value.