Reading Graphs

Front

What is a graph?

Back

A graph is a visual representation of data that helps to show relationships between different variables.

Front

What is a bar graph?

Back

A bar graph uses bars to show quantities of different categories, making it easy to compare them.

Front

What is a line graph?

Back

A line graph displays information as a series of data points called 'markers' connected by straight line segments, often used to show trends over time.

Front

What is a circle graph (pie chart)?

Back

A circle graph, or pie chart, shows parts of a whole as slices of a circle, representing percentages of the total.

Front

What does the x-axis represent in a graph?

Back

The x-axis is the horizontal line on a graph that typically represents the independent variable.

Front

What does the y-axis represent in a graph?

Back

The y-axis is the vertical line on a graph that typically represents the dependent variable.

Front

How do you read a bar graph?

Back

To read a bar graph, look at the height or length of the bars to compare the values of different categories.

Front

What is the purpose of a legend in a graph?

Back

A legend explains what the different colors or patterns in a graph represent, helping to interpret the data.

Front

What is a data point?

Back

A data point is a single piece of information represented on a graph, often shown as a dot or marker.

Front

How can you determine trends in a line graph?

Back

You can determine trends in a line graph by observing the direction of the line: if it goes up, the trend is increasing; if it goes down, the trend is decreasing.