Bar 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 represents the dependent variable, which is the variable being measured or observed.

Front

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

Back

The X-axis represents the independent variable, which is the variable that is manipulated or categorized.

Front

What is the purpose of a title in a bar graph?

Back

The title provides context and describes what the data in the bar graph represents.

Front

How do you determine the scale of a bar graph?

Back

The scale is determined by the range of data values and should be evenly spaced to accurately represent the data.

Front

What is the independent variable in a bar graph?

Back

The independent variable is the variable that is changed or controlled in a scientific experiment, often represented on the X-axis.

Front

What is the dependent variable in a bar graph?

Back

The dependent variable is the variable that is measured in an experiment, often represented on the Y-axis.

Front

How can you identify the category with the highest value in a bar graph?

Back

You can identify the category with the highest value by looking for the tallest bar in the graph.

Front

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

Back

Bar graphs are best for categorical data, where data is divided into distinct groups.

Front

What is a key in a bar graph?

Back

A key (or legend) explains what each bar represents, especially if the graph uses different colors or patterns.