An interactive geogebra applet that enables the user to input thier own data and model how to construct a cumulative frequency polygons and box-whisker diagram. Click the buttons to reveal each stage of the constructions and drag the median and quartiles along the polygon to position them correctly. Extend the quartiles using the check boxes to form the box-whisker diagram.
The geogebra applet is attached but if you don’t have it installed then the web link is also attached so you can use the applet in a web browser.
Worksheets also included on…
==> Drawing and interpreting cumulative frequency polygons
==> Using cumulative frequency to calculate quartiles/medians/IQR
==> Drawing and interpreting/comparing box plots
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£2.50