Types of Graphs

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What is a pie chart?

Back

A pie chart is a circular graph divided into slices to illustrate numerical proportions.

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What is a tally chart?

Back

A tally chart is a method of counting and recording data using marks (tallies) to represent numbers.

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What is a pictograph?

Back

A pictograph uses pictures or symbols to represent data, making it easy to understand at a glance.

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What is a bar graph?

Back

A bar graph is a chart that presents categorical data with rectangular bars, where the length of each bar is proportional to the value it represents.

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How do you read a pie chart?

Back

To read a pie chart, look at the size of each slice to understand the proportion of each category compared to the whole.

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How do you read a tally chart?

Back

To read a tally chart, count the tallies in each category, where every group of five tallies is represented by four vertical lines and a diagonal line.

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How do you read a pictograph?

Back

To read a pictograph, count the number of pictures or symbols to determine the quantity they represent.

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How do you read a bar graph?

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

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What type of data is best represented by a pie chart?

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Pie charts are best for showing parts of a whole, especially when there are a limited number of categories.

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What type of data is best represented by a tally chart?

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Tally charts are best for counting occurrences of items or events, especially in a small dataset.