Bar Graph Review

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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.

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How do you read a bar graph?

Back

To read a bar graph, look at the labels on the x-axis (horizontal) and y-axis (vertical) to understand what the data represents, and compare the heights of the bars.

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What does the height of a bar represent in a bar graph?

Back

The height of a bar represents the quantity or value of the category it represents.

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What is the purpose of a bar graph?

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

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How can you find the category with the most data in a bar graph?

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You can find the category with the most data by identifying the tallest bar in the graph.

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What is the x-axis in a bar graph?

Back

The x-axis is the horizontal line on a bar graph that usually represents the categories being compared.

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What is the y-axis in a bar graph?

Back

The y-axis is the vertical line on a bar graph that usually represents the values or quantities of the categories.

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

Back

To determine the difference, compare the heights of the two bars and subtract the smaller height from the larger height.

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What does it mean if two bars are the same height in a bar graph?

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If two bars are the same height, it means that the two categories have the same quantity or value.

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What is a key in a bar graph?

Back

A key in a bar graph explains what each bar represents, often using colors or patterns.