Math 151 , Spring 2006, Day 12 Fri. Feb. 24 Hit reload...

--Exam 1  Today  in class, closed book.   Bring a simple calculator. I will give you copies of the Normal table.  You may stay late into the lunch hour if you like. If you want extra time, and can't stay into the lunch hour, you can start early (after 10): You should have made arrangements with me by Wednesday--email me if you need to change anything.
Covers (For sure) Part I:through p.112  Normal?  thru HW day 10: Using z-table. Understanding  forward and "backward" normal problems with raw data like p.90..Percentiles  I, II, and reading results from a technology tool, but NOT going raw <-->percentile through the z-table. Definitely not p. 92-3 questions 2,3.  You will need to read SPSS output, but not tell how to produce any. You will need to calculate "by hand" a standard deviation for four numbers. (As well as medians, quartiles, etc.)   Problems like HW + some true-false or multiple choice types.
 
For Monday): Reading: Finish D&V Ch6 pp. 86-98.  (Questions 2&3 p.92-3 are optional. Normal Prob. Plots p. 94-95 is  Optional, but don't miss What Can Go Wrong, p95 bottom).  AS Ch. 6, in order. Note AS 6-4 ¶1, Normal table does UPPER tail.  Almost all normal tables do LOWER tail.
Then: Quick Review p.103. 
Next: D&V Ch7 Scatterplots, first thru 117 (AS7-1&2), then Correlation, the rest. (AS7-3&4)
Technology:http://www.whfreeman.com/scc/ , Statistical Applets, Normal Density.  Uncheck the 2-tail box for most uses.  OR ActivStats Normal Density Tool : for best setup Use AS30-2 "Normal distribution based Confidence Intervals tool" CAUTION: Don't hit the Enter key! It closes the tool-box!
Hand in (All D&V) Nothing to hand in for Monday  
Read Ch. 7.

 Read, 
 to discuss 		 Optional  (more practice)
If you feel at all shaky about graphing or using straight lines (slopes, intercepts) be sure to do Linear Equations exercise
 and Line Equations, Activstats 8-1, activities 3&4
(in preparation for Ch.8)
 

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