How to Make a Histogram with GeoGebra

You can use GeoGebra to make a histogram. There are several ways of doing this, but this method ensures that the class boundaries are exactly as you set them to be.

GeoGebra Instruction 1

1.

Open Algebra View, Graphics View and Spreadsheet mode under

View in

Menu.

2.

Enter the lower endpoint of the first interval in column A.

3.

Enter the upper endpoint of each interval (including the first one) in the cells below.

4.

Enter your frequencies in column B. Check that you have one more filled-in cell in column A than in column B.

5.

Make a list by selecting all observation times and click List

in Toolbar. In the pop-up window that appears, change Name to “ClassBoundaries” and click OK.

6.

Make another list by selecting all frequencies and click List

in Toolbar. In the pop-up window that appears, change Name to “Frequencies” and click OK.

7.

Use the command

FrequencyPolygon(<List of Class Boundaries>, <List of Heights>)

in Algebra View. Insert “ClassBoundaries” as <List of Class Boundaries> and insert “Frequencies” as <List of Heights>. Press Enter.

Your histogram will be displayed in Graphics View. Remember to adjust the window so that the entire chart is visible.

Screenshot of GeoGebra showing a histogram

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