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The Histogram: Introduction


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The Histogram is a picture of a list of numbers

It looks like the following example


picture a picture here

How to read histograms:

The AREAS of the blocks represent PERCENTAGES

EXAMPLE: Final scores in a class


picture a picture here

About 10% scored between 20 and 40

What percentage scored over 40?

What % scored between 50 and 70?

About what % scored between 70 and 75?

Answers


Link to the commands in this file
Carlos Rodriguez <carlos@math.albany.edu>
Last modified: Tue Feb 2 12:19:04 EST 1999