Welcome
to the STAtistics Zone
(Statistics,
Period B)
Web address shortcut for this page: http://www.modd.net/1112stat
Are
you nervous when you see NCWEE? concerned when you see
CIRC? perturbed when you see PBC? Visit Mr. Hansen’s
fabled abbreviations page to make sense of those
cryptic markings you see on your papers.
Schedule
at a Glance (see archives for older entries) 


M 4/23/012 
No school. 

T 4/24/012 
HW due: 

W 4/25/012 
HW due: Study for the MustPass Quiz. Note that this
doubles as a review for the AP exam. As you saw yesterday, some questions
from the MPQ may occur in class from time to time. 

Th
4/26/012 
HW due: Same as yesterday, plus recorded problems
from the AP review book, totaling 35 minutes or more. Keep a written time log
this time, regardless of whether you do all studying, all question answering,
or a mixture. 

F 4/27/012 
HW due: Same as yesterday. Keep a time log. Proper
HW format is required, as always. 

M 4/30/012 
HW due: Same as last Friday. Keep a time log. Proper
HW format is required, as always. 

T 5/1/012 
HW due: Keep a time log. Set a timer for 13 minutes
and write up a legible response to parts (a) through (d) of Question 5 at this
link. Then use a different color of pencil or pen to score your answers,
based on the guidelines presented in pages
1315 here. 

W 5/2/012 
HW due: Same as yesterday, except do Questions 2 and
3 at this
link. Allow 26 minutes for writing up your solutions. Then use a
different color of pencil or pen to score your answers, based on the
guidelines presented in pages
59 here. 

Th
5/3/012 
HW due: Same as yesterday, except do Questions 1 and
4 at this
link. Allow 26 minutes for writing up your solutions. Then use a
different color of pencil or pen to score your answers, based on the
guidelines presented in pages
24 and 1012 here. 

F 5/4/012 
HW due: Write Question 6 at this
link. Note that this question comes from an exam that is different from
the one we have been using the last several days. Allow 25 minutes for
writing up your solutions. Then use a different color of pencil or pen to
score your answers, based on the guidelines presented in pages
1923 here. 

M 5/7/012 
HW due: Keep an accurate time log, and do at least
35 minutes of focused study of AP review problems, with the answers recorded
on your notebook filler paper. If you are planning to take the AP exam, 35
minutes is an absolute minimum; an hour would be better. 

T 5/8/012 
HW due: Another 35 minutes’ worth, same as
yesterday’s assignment but with different problems. Remember, 35 minutes is a
minimum. If you are planning to take the AP exam, an hour would be better. 

W 5/9/012 
HW due: Another 35 minutes’ worth, same as
yesterday’s assignment but with different problems. Remember, 35 minutes is a
minimum. If you are planning to take the AP exam, an hour would be better. 

Th
5/10/012 
HW due: Choose (A) or (B). 

F 5/11/012 
Congratulations! The class of 2012 is the first STAtistics
class in history to attain a 100% pass rate on the MPQ by so early in the
season. May 10 is a record that may stand for many years to come. Way to go! 

M 5/14/012 
HW due: Study for your various AP exams. No
additional written HW will be collected today. 

T 5/15/012 
AP review. 

W 5/16/012 
AP review (continued). Today’s class is optional for
those who are taking the AP exam in the afternoon. All attempts will be made
to have a class that is worthwhile and helpful in boosting your score. Leave at home or in your car: scratch paper, cell
phone. 

Th
5/17/012 
Quiz (10
pts.) on odds ratios. 

F 5/18/012 
Field trip to the National Cryptologic
Museum, Fort Meade, MD (adjacent to the NSA parking lot). We will leave at
8:00 a.m. sharp from the service road near the Martin Gym. 

M 5/21/012 
Guest speaker: Mr. Fred Richards, Senior Director,
Oracle Business Intelligence. 

T 5/22/012 
No additional HW. 

W 5/23/012 
HW due: Read Chapter 7 (pp. 125150) of Painting with Numbers. Reading notes
are required, as always. Reading notes may be collected. Copying of reading
notes is not permitted. Violators may be sent to the honor council. If you
are unable to finish the reading, then do as much as you can, and keep a time
log. 

Th
5/24/012 
HW due: Finish Chapter 7 (pp. 125150) and start
reading Chapter 10. Reading notes are required. Reading notes may be
collected. Copying of reading notes is not permitted. Violators may be sent
to the honor council. 

Essential Links:
 STA School
Handbook
 College
Board: AP Statistics Course Description
 College
Board: more than 100 AP freeresponse questions and scoring rubrics from
previous years
 Our old textbook’s site has
online quizzes and some useful links
 RVLS (Rice Virtual Lab in
Statistics): One of the best sites anywhere for statistics! Here you’ll
find a complete college statistics course (complete with clickable glossary and great
case studies), simulations, and some excellent analysis tools.
 Virtual Laboratories in Probability
and Statistics (University of Alabama at Huntsville)
 StatCrunch
3.0 (formerly WebStat): An online statistical
computing package (requires Java)
 How to study
statistics (written by a professor at the University of Central Florida,
but the ideas are valid for our class)
 Eric Weisstein’s World of Mathematics: a monstrously
huge hyperlinked reference
 The MustPass Quiz for Statistics:
doubles as a review for the AP exam
TI83 Links:
 CINT (converts confidence interval from
interval notation to the more convenient “estimate ± m.o.e.” format)
 INVT (inverse t) program
written by Mr. Hansen and the Class of 1999
 CHISQGOF (ChiSquare Goodness
of Fit) program also written by Mr. Hansen and the Class of 1999
 CSDELUXE (ChiSquare Deluxe):
combines CHISQGOF and STAT TESTS C into one package; written by Mr. Hansen for
the Class of 2003
 Modifications to SCATRBOX program
so that it returns the LSRL equation at the end (followon to a stat teacher
workshop I attended on 12/5/2001)
 David Pachner’s statistical
test and confidence interval files
for the TI83 (added 4/16/2001; not reviewed by Mr. Hansen for accuracy)
 TI83 programs
from Texas Instruments
Philosophical Links:
 In praise of Bayes: a very readable overview of the tension between
the standard (“frequentist”) approach to probability and the Bayesian view
Controversial Links:
 Does an elite
college really pay? Article addresses the issue of whether you would do
better financially if you simply invested the difference in tuition price.
 Does
traditional hypothesis testing actually make sense? Article questions
whether the entire second semester of our course is a waste of time . . .
 Are
law schools cooking their ranking statistics? Every high school statistics
student should read this (and maybe a second time, four years later).
Fun Links:
 Guessing
correlation coefficients by eye
 Another
correlation game
 Photos from our 5/20/99 field
trip to the National
Cryptologic Museum at the NSA
 Huge Internet gallery of statistics jokes
(warning: many are excellent, but some are dangerously lame)
 Average age at death for rock
stars is 36.9 (vs. 75.8 for the overall population). . . this site is
religiously oriented (and apparently sincere), but the reasoning process is
seriously flawed. Can you find the problem?
 Chance Database Welcome Page
(this is the link cited in the 4/4/99 Washington Post Unconventional Wiz
column)
 Accident statistics (the taxicab
problem)
 Psychological
probability quiz
 Marilyn is Wrong! (a truly great site, even though it doesn’t seem to include
Dr. Morse’s response to Marilyn yet)
 Male sweat may be good for women’s health (a scholarly
article with p and tvalues from 2003, plus an abstract in
2007)
 Lying with
statistics
 One of the biggest marketing blunders of all time: the New Coke fiasco
 More fun links on Mr. Hansen’s home page
Serious Links (click here)
Extra Credit (please see me if
interested):
 American Statistical Association poster or
project competition, deadline 4/1/2012 if you desire extra credit
 Washington Statistical Society Curtis Jacobs Memorial Prize,
deadline 5/4/2012
 Other extra credit options are available under the Fun Links at modd.net
(see Mathcross Puzzles)
Group Projects (1998
onward):
Exploratory Data Analysis
 Assignment (200506)
 Results (199899)
 Results (19992000)
 Results (200001)
 Results (200506)
Opinion Survey
 Assignment (200001)
 Results (19992000)
 Results (200001)
Experimental Design and Execution
 Assignment (200001)
 Results (199899)
 Results (200001)
Pairs Project on How to Lie With Statistics and Pvalue
Calculations
 Assignment (200001)
 List of Partners (200001)
Critique of a Scientific Article
 Assignment
AP Review
 D period (199899)
 F period (199899)
Test #1 (Chapters 12 plus §3.1 of old
textbook), Sept. 2000:
 Test #1
Old Test #1 (Introduction
through Section 2.2 of old old textbook):
 Study guide
 Test #1Dhas a residual plot question
not found in the F period version
 Test #1F
Test #2, Oct. 1998:
 Mr. Hansen’s study guide
 Eric Love’s study guide
(1/12/1999 revised version)
 Test #2 (merged version, with
comments)
Test #3 (Chapter 5) for 19992000
 Answers to practice test (the practice
test was handed out in hard copy form on 11/15/1999)
 Takehome portion distributed
11/16/1999, due 11/17/1999
Old Test #3 (Chapter 4 of old old textbook):
 Study guide
 Test #3 (merged version)
 Answer key
Test #4 (Sections 5.1, 5.2, 6.1 of old old textbook):
 Study guide
 Test #4D
 Test #4F
Test #4 (Chapters 7 and 8 of old textbook:
random variables, binomial & geometric distributions):
 Actual test, 1/29/2004
Test #5 (Sections 6.2, 6.3, 7.1 of old old textbook):
 Study guide
 Practice test
 Answer key for practice test
(incl. correction to #18 suggested by C. Muller)
 Test #5 (merged version)
Test #5 (Sections 7.2 through 9.1 of old
textbook):
 Actual test, 2/6/2002
Test #6 (Sections 7.17.3 of old old textbook):
 Practice test
 Answer key for practice test
 Test #6D, with answer key
Test #6 (Chapters 9 and 10 of old
textbook):
 Actual test, 3/7/2002
Test #7 (Sections 8.18.3 of old old textbook, plus ChiSquare GOF):
 Answer key for sample test problems
 Inclass portion
 Takehome portion
Test #8 (Section 9.1 of old old textbook, plus Geometric Probability Distributions):
 Takehome test due Wednesday
4/28/1999
 Answer key (not yet released)
AP Exam Review
 Real
sample AP questions from the College Board
 TI83 Function Summary
 TI83 STAT TESTS Summary,
including the assumptions you need to check
 PHA(S)TPC procedures, a
systematic way of performing statistical tests and calculating confidence
intervals
 LSRL Top Ten
 Normal vs. Binomial: What are
the hallmarks and differences? (Includes many example problems, with
solutions.)
 Formula sheet markup guide
 Guide to standard error
formulas (third page of the AP formula sheet)
Question of
the day: 12/15/1998
Preview of
quiz for Wednesday, 11/18/1998
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home page
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