Math Arguments
Problems, Questions, and Puzzles to spark discussion and argument in the maths classroom.
Q7 - The Mean and Hidden Information
Most teachers assign final grades by using the mathematical mean (the “average”) to determine them, but this measure hides information. What information is hidden and what, if anything, should we do about it?
To the best of your understanding, explain what the mean hides and give at least two reasons why the mean may not be the best measure of achievement.
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Source:
Grant Wiggins
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