Bar Graphs & Pictographs

Front

What is a bar graph?

Back

A bar graph is a visual representation of data using bars of different heights or lengths to compare quantities across categories.

Front

What is a pictograph?

Back

A pictograph is a chart that uses pictures or symbols to represent data, where each picture represents a specific quantity.

Front

How do you determine the total number of votes in a bar graph?

Back

To determine the total number of votes, add the heights of all the bars representing the different categories.

Front

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

Back

The height of a bar represents the quantity or frequency of the category it corresponds to.

Front

How can you find the difference between two categories in a bar graph?

Back

To find the difference, subtract the height of one bar from the height of another bar.

Front

What is the purpose of using a pictograph?

Back

The purpose of using a pictograph is to make data more visually appealing and easier to understand by using images.

Front

How do you read a pictograph?

Back

To read a pictograph, count the number of pictures or symbols for each category, where each picture represents a specific number of items.

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What is the significance of the scale in a bar graph?

Back

The scale indicates the value represented by each unit of height on the graph, allowing for accurate interpretation of the data.

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

Back

The category with the highest value is identified by the tallest bar in the graph.

Front

What information can you gather from a bar graph comparing two sets of data?

Back

You can compare the quantities of each category between the two sets of data and identify trends or differences.