"For the things of the world cannot be made without a knowledge of mathematics." -- (Roger Bacon) Mathematical Drought in Western World (500 - 1200): But mathematics was flourishing in the East. And, in the East appeared perhaps the greatest of all Arab mathematicians, Muhammad ibn Musa al-Khwarizmi (ca 780 - 850), who wrote the first known text in elementary algebra. In algebra, you often "balance" an equation to preserve equality by (for instance) adding a like quantity on both sides of the equality. Today's algebra comes from the al jabr, which is balance in Arabic. When Herkimer brought his dirty friend, Hans, home for lunch, what did his mother say? Answer: "Wash your Hans before eating." Herky 's words of wisdom: A day without sunshine is like night. If marriage were outlawed, only outlaws would have inlaws. Reading: Prepare for test on Chapter 2. Exercises: Prepare for test on Chapter 2.

A reminder that you can go to the SectionSummaries link where you can review important ideas and conceptsintroduced in Chapter 2 of our text.

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Text:
The Practice of Statistics, by Yates, Moore, McCabe. New York,W.H. Freeman and Company, 1999. (ISBN 0-7167-3370-6)

Supplemental books:
The Cartoon Guide to Statistics, by Gonick and Smith. NewYork, HarperCollins Publishers, 1993. (ISBN 0-06-273102-5)
How to Lie with Statistics, by Darrell Huff. New York, W.W.Norton & Company, 1982 (ISBN 0-393-09426-X)