Graphing for Middle School
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This document defines and provides examples of three common types of graphs: bar graphs, circle graphs, and line graphs. Bar graphs compare quantitative or qualitative data using bars of different heights. Circle graphs show the relationship between parts of a whole using slices of a circle. Line graphs show how two quantities change over time by connecting plotted points with lines.
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- Line graphs show changes over time, with time measured along the x-axis. They can be used to show things like rainfall or temperature changes monthly or yearly.
- Bar graphs are used to compare categorical data rather than changes over time.
- When making a line graph, labels should be included on the x and y axes to identify what each represents, such as time or values. Data points are plotted by reading the x-axis value first.
- Intervals on the axes should be chosen appropriately based on the scale of data, for example not plotting every single day or temperature value.
Types of Charts
The document describes different types of charts that can be used to visualize data, including column charts, bar charts, line charts, pie charts, XY charts, area charts, doughnut charts, surface charts, bubble charts, stock charts, and cylinder, cone or pyramid charts. It provides examples of subtypes for some chart types and explains what each chart shows or compares.
Types Of Charts
This document discusses six common types of charts used in business: column chart, stacked bar chart, line chart, XY scatter plot, pie chart, and exploded pie chart. It defines each chart and provides examples to illustrate the type of data each chart is best suited to display. The column chart compares groups of data. The stacked bar chart shows the contribution of parts to a whole. The line chart indicates trends over time. The XY scatter plot shows correlations between two variables. The pie chart displays the percentage of parts in a whole. The exploded pie chart emphasizes portions of a pie chart.
Bar chart
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- 3. Bar Graph • What do they look like? They have a series of bars of different heights to show comparison.
- 4. Bar Graph • What are the different types of bar graphs? – Histograms – Pictograms
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- 7. Circle Graph • What are the different types of circle graphs? – Circle graphs can also be called pie graphs or pie charts
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