"He who wonders discovers that this in itself is a wonder".- (M.C. Escher) COUNTING AND COMPUTING DEVICES: Human Fingers: Many cultures devised clever methods to use these ever-available counting and computing devices. Our fingers and toes total 20, accounting for some early 20-base number systems. Greek mechanical computer (?): In 1900, Greek fisherman found a corroded mechanism estimated to be 2,000 years old at the bottom of the Aegean Sea. It appeared to be part of a geared computer-like device. Quipus: The Incas of fifteenth- and sixteenth century South America used knotted and colored strings to keep complex records of everything from population to the amount of food a village needed to store for lean seasons. Why wouldn't Herkimer supply a candle for the man who slept all day? Answer: He believed there should be no wick for the rested. Herky wants to know: When a person says he is a "man of few words," why does he then use a few million of them? If you make many mistakes in a single day, can you justify this by saying you got up early? ASSIGNMENT #64 Reading: Section 10.3, pages 560-567, including SUMMARY on pages 566-567). Exercises: 10.58 (page 562), 10.59, 10.60 (page 563), 10.61 (page 565), 10.62 (page 566), 10.63, 10.64, 10.65 (page 567). Note: Most of these are short-answer type questions.

You are working in Section 10.3.

The section titledChoosing a level of significance (pages561-562) should be read carefully. The concept level of significanceis sometimes confusing to those studying statistics for the firsttime. This short section is quite good.

=======================================

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)