Graphs

Front

What is a bar graph?

Back

A bar graph is a visual representation of data using rectangular bars to show the quantity of different categories.

Front

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

Back

The Y-axis typically represents the values or quantities of the data being measured, such as the number of people.

Front

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

Back

A vertical bar graph has bars that extend upwards from the X-axis, while a horizontal bar graph has bars that extend sideways from the Y-axis.

Front

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

Back

To determine the difference, subtract the value of one category from the value of another category as represented on the Y-axis.

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 or categories.

Front

What does it mean if a bar graph has a longer bar?

Back

A longer bar indicates a higher value or quantity for that category compared to shorter bars.

Front

How can you identify trends in a bar graph?

Back

Trends can be identified by observing the height of the bars; increasing or decreasing heights indicate trends over the categories.

Front

What is the significance of the X-axis in a bar graph?

Back

The X-axis typically represents the categories being compared in the bar graph.

Front

What is a stacked bar graph?

Back

A stacked bar graph displays multiple data series on top of each other in a single bar, allowing for comparison of totals and individual components.