Visualizing Math Data: Explore Bar Graphs, Pie Charts, Stacked Bar Graphs and Treemaps

4 graphs/charts that are used for CATEGORICAL data

Circle graph, bar graph, frequency table, contingency table

1. Bar Graphs: This type of graph is commonly used to show a comparison between categories. The height of the bars represents the frequency or proportion of data in each category. Bar graphs can be displayed vertically or horizontally, depending on the number of categories and the purpose of the graph.

2. Pie Charts: This is a circular graph that displays data as proportions of a whole. The circle is divided into slices that represent different categories, with the size of each slice proportional to the percentage or frequency of data in that category. Pie charts are typically used when presenting data with five or fewer categories.

3. Stacked Bar Graphs: This type of graph is similar to a bar graph, but instead of showing the frequency or proportion of data in each category, it displays the proportion of data in each category that falls into subcategories. The height of each bar represents the total frequency or proportion of data in the category, and the subcategories are displayed in different colors.

4. Treemaps: This type of graph is ideal for displaying hierarchal data. Treemaps represent each category as a rectangle, with the size of the rectangle proportional to the frequency or proportion of data in that category. Subcategories are nested within each rectangle, represented by smaller rectangles within the larger one. Treemaps are particularly useful for displaying complex data as they allow for easy comparison of categories and subcategories.

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