Compute Mean, Mode, Median, Average, Standard Deviation, Range with a TI89 Calculator

Here is the quick way to find Mean, Mode, Median, Average, Standard Deviation, Variance, Range and more using the trusted TI89 :

Just enter the list of numbers as shown in the image above. Press ENTER and Voila, all values are shown immediately.

This is part of the comprehensive Statistics Made Easy app for the TI89 calculator which can be downloaded at  This app will be your best friend during the entire statistics class. In case you have a TI-Nspire CX calculator instead you can download the app at with the same functionality!

Of course, free trials are available so you can test the apps.


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