[list=1][br][*]Complete the frequency distribution table.[br][*]Drag the red × points to draw the histogram for the data.[br][*]Check the "Frequency Polygon" box to show the frequency polygon.[br][*]Drag the red point on the slider to see how the area enclosed by the frequency polygon relates to the total area of the bars in the histogram.[br][/list][br][br][br]Input another set of data to construct its frequency polygon.

Anthony Or[br]GeoGebra Institute of Hong Kong