Mean & Median

Internet
Demonstrations

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You can link to a mean and median applet that illustrates how the mean and the median vary with changes in the values of the data set.

• Read Instructions and also review "Central Tendency" and "Center of Gravity."
• For a brief discussion that anticipates Chapter 10, click on "Prediction."

Click on "Begin" to start demonstration, and when finished, click on "Exercises," concentrating on questions 2 and 3.