"Mathematics is the Queen of Science, and Arithmetic the Queen of Mathematics" -- (Carl Friedrich Gauss, 1777-1855)
Answer: A fender bender rear-ender defender.
Reading: Pages 43-46, Summary (pages 47-48)
Do exercises 1.35, 1.36, 1.37.
You are in SECTION 1.2.
degrees of freedom
Shape of data is important: ALWAYS PLOT YOUR DATA.
For distributions that are roughly symmetric:Mean and standard deviation are useful indices.
For distributions that are skewed, mean and standard deviationare less useful. The five-number summary presents a better overallpicture.
LINK TO SECTIONSUMMARIES
LINK TO STATISTICS HOMEPAGE
The Practice of Statistics, by Yates, Moore, McCabe. New York,W.H. Freeman and Company, 1999. (ISBN 0-7167-3370-6)
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)
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