"Every new body of discovery is mathematical in form, because there is no other guidance we can have."  (Charles Darwin)
Persianborn Omar Khayyam (10481131) was both a poet and a mathematician. He is the author of a collection of poetry titled Rubaiyat. He contributed much to mathematics, including finding geometrical solutions for cubic equations and calendar reform, suggesting a cycle of 33 years that included 8 years with 366 days. Ever the poet, his reforms are referenced in the Rubaiyat:

Why was Herkimer always tired on April 1? Answer: He had just finished a March of 31 days. Things Herky would like to know: Why do you drive on a parkway and park in a driveway? If a tree falls in a forest and no one is around to see it, do the other trees make fun of it? 
ASSIGNMENT #23 Reading: Review Chapter 3, as necessary Exercises: Do Test 3A (handout in class) as a review exercise. 
You are working with ideas from Chapter 3.
Test 3A represents an excellent review of the keyideas and concepts presented in Chapter 3. Here are just a fewimportant points:
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Text:
The Practice of Statistics, by Yates, Moore, McCabe. New York,W.H. Freeman and Company, 1999. (ISBN 0716733706)
Supplemental books:
The Cartoon Guide to Statistics, by Gonick and Smith. NewYork, HarperCollins Publishers, 1993. (ISBN 0062731025)
How to Lie with Statistics, by Darrell Huff. New York, W.W.Norton & Company, 1982 (ISBN 039309426X)