"The investigation of mathematical truths accustoms the mind to method and correctness in reasoning, and is an employment peculiarly worth of rational beings."  (George Washington, 17321799)
Benjamin Banneker (17311806): An AfricanAmerican with tremendous mathematical abilities, Banneker lived during a period of United States history when a struggling country had little interest in scholarly pursuits. Banneker was a problem solver and developed considerable skills in the areas of astronomy and surveying. President George Washington and Secretary of State Thomas Jefferson both knew Banneker, and made use of his work. Born in Maryland to a former slave, Banneker sent a letter to Jefferson, a slave owner, criticizing slavery.

When Herkimer was a waiter, what did he say to the customer who complained about the mud in his coffee? Answer: What do you expect? It was just ground this morning." Herky's friends: RHODA HORSE... a jockey. PERRY NOID ... this guy gets frightened quite easily. 
ASSIGNMENT #31 Assignment due after the test on Chapter 4. Reading: Section 5.2, pages 265283, including SUMMARY on pages 283284. Exercises: None. Concentrate on the reading and the terminology introduced in this section. We will be working on problems during the class period. 
You are in Section 5.2
Important words/phrases/thoughts introduced inSection 5.1 are in black. Those in Section 5.2 in are blue. Thereis a bit of overlap, as you will note. These words and phrases shouldbe familiar to you. After reading Sections 5.1 and 5.2, you shouldnot draw a mental blank when you encounter them.
sampling  voluntary response sample  experiment  confounding  statistical inference 
population  sample, sample design  convenience sampling  simple random sample (SRS)  table of random digits 
probability sample  stratified random sample, strata  multistage sample design  undercoverage  nonresponse 
response bias  wording of questions  observational study  experiment  experimental units 
subjects  treatment  placebo effect  control group  bias 
matching  randomization  completely randomized  statistically significant  hidden bias 
PRINCIPLES OF EXPERIMENTAL DESIGN: 1. Control ... 2. Randomization ... 3. Replication  
doubleblind experiment  block design  matched pairs design  lack of realism  probability model 
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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)