Bar 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.

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

Back

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

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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 data is being represented and the scale of the values.

Front

What is the purpose of a bar graph?

Back

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

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What is the difference between a bar graph and a line graph?

Back

A bar graph uses bars to represent data, while a line graph uses points connected by lines to show trends over time.

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

Back

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

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What is a frequency table?

Back

A frequency table is a table that displays the number of times each category occurs in a dataset.

Front

How can you use a bar graph to answer questions about data?

Back

You can use a bar graph to quickly compare values, identify trends, and answer questions about the data represented.

Front

What is a category in a bar graph?

Back

A category in a bar graph is a specific group or type of data that is being compared, such as 'boys' and 'girls' in a school.

Front

What does it mean if a bar graph is not proportional?

Back

If a bar graph is not proportional, it means that the lengths of the bars do not accurately represent the values they are supposed to depict.