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The Flaws of Averages

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Description

Overview:
This learning video presents an introduction to the Flaws of Averages using three exciting examples: the ''crossing of the river'' example, the ''cookie'' example, and the ''dance class'' example. Averages are often worthwhile representations of a set of data by a single descriptive number. The objective of this module, however, is to simply point out a few pitfalls that could arise if one is not attentive to details when calculating and interpreting averages. The essential prerequisite knowledge for this video lesson is the ability to calculate an average from a set of numbers. During this video lesson, students will learn about three flaws of averages: (1) The average is not always a good description of the actual situation, (2) The function of the average is not always the same as the average of the function, and (3) The average depends on your perspective. To convey these concepts, the students are presented with the three real world examples mentioned above.
Subject:
Education, Mathematics, Numbers and Operations
Level:
High School
Material Type:
Lecture
Author:
, ,
Provider:
MIT
Provider Set:
MIT Blossoms
Date Added:
06/02/2012
License:
Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Creative Commons Attribution-NonCommercial-ShareAlike 3.0
Language:
English, Arabic, Urdu
Media Format:
Downloadable docs, Text/HTML, Video

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