Bar Graphs and Line 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

What is a line graph?

Back

A line graph is a type of chart that displays information as a series of data points called 'markers' connected by straight line segments.

Front

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

Back

Bar graphs are best for comparing different categories of data.

Front

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

Back

Line graphs are best for showing trends over time or continuous data.

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.

Front

How do you read a line graph?

Back

To read a line graph, follow the line to see how the value changes over time.

Front

What does the x-axis represent in a graph?

Back

The x-axis typically represents the independent variable or categories.

Front

What does the y-axis represent in a graph?

Back

The y-axis typically represents the dependent variable or values.

Front

What is the purpose of a title in a graph?

Back

The title explains what the graph is about and summarizes the data being presented.

Front

What is a key or legend in a graph?

Back

A key or legend explains the symbols, colors, or patterns used in the graph.