PBIS 189 Introduction to Statistics

Fall 2011

Section 009 1:20 to 2:50 Tu Th

Instructor: Dr. Chris Edwards      Phone: 424-1358 or 948-3969           Office: Swart 123

Classroom: N. Halsey 175    Text: The Basic Practice of Statistics 4th edition, by David S. Moore.  Link to Day by Day notes.

Required Calculator: TI-83, TI-83 Plus, or TI-84 Plus, by Texas Instruments. Other TI graphics calculators (like the TI-86) do not have the same statistics routines we will be using and will cause you troubles.

Catalog Description:  Descriptive statistics/elementary probability/basic problems of statistical inference: estimation, confidence intervals, hypothesis testing, regression and correlation.  Prerequisite: Mathematics 100 with a C or better or placement.

Course Objectives:  (Click here for full document.)  This course focuses on critical thinking and active learning.  Students will be engaged in problem solving and will come to understand that a "problem" is a situation that is unfamiliar and one for which a solution is not immediately evident.  Being stuck is a natural state of problem solving and an essential part of improving thinking.

Specifically students will

     ¥ collect data, observe patterns, make and verify conjectures

     ¥ improve their ability to reason logically

     ¥ develop effective written and oral communication skills

     ¥ improve skills related to critical thinking, problem solving and creativity

     ¥ use and understand symbol systems and quantitative methods

     ¥ understand principles of mathematics and the sciences.

Grading: Final grades are based on 480 points:

 

Topic

Points

Tentative Date

Exam 1

One-Variable Descriptive Statistics

60 pts.

September 29

Exam 2

Two-Variable Descriptive Statistics

60 pts.

October 20

Exam 3

Sampling, Probability, and the CLT

60 pts.

November 17

Exam 4

Statistical Inference

60 pts.

December 15

Group Presentations

20 Points Each

80 pts.

Before Exams

Quizzes

10 Points Each

80 pts.

Weekly

Homework

10 Points Each

80 pts.

Weekly


Attendance is a very important component of success in my class because many of the skills and lessons we will learn will be a direct result of classroom activities that cannot be reproduced easily. Thus, final grades are based on attendance as well as total points earned.  The number of quiz scores that may be dropped is based on absences.

Text Box: Number of Absences	Number of Dropped Quizzes
0 to 3	2
4 to 6	1
7 or more	None
Final Grades:
Grade	Points (Percent)
A	432 (90.0 %)
A-	416 (86.7 %)
B+	400 (83.3 %)
B	384 (80.0 %)
B-	368 (76.7 %)
C+	352 (73.3 %)
C	336 (70.0 %)
C-	320 (66.7 %)
D+	304 (63.3 %)
D	288 (60.0 %)
D-	272 (56.7 %)
F	271 or less

Presentations:  There will be four presentations, each worth 20 points.  The descriptions of the presentations are in the Day By Day Notes.  I will assign you to your groups for these presentations randomly, but I want to avoid you having the same members each time.  I expect each person in a group to contribute to the work; you can allocate the work in any way you like.  If a group member is not contributing, see me as soon as possible so I can make a decision about what to do.  Part of your presentation grade will be based on your own evaluations of how each person contributed to the presentation.  The topics are:  1 - Displays (September 27). 2 – Regression (October 18).  3 - Sampling (November 15).  4 - Statistical Hypothesis Testing (December 13).

Quizzes:  Approximately once a week, we will have a quiz on the current material.  These quizzes are a way for me to provide feedback to you on your progress in the course.  You will be allowed to drop up to 2 quizzes, based on your course attendance.

Homework:  I will collect three homework problems approximately once a week.  The due dates are listed on the course outline below.  While I will only be grading three problems, I presume that you will be working on many more than just the three I assign.  I suggest that you work together in small groups on the homework for this class. What I expect is a well thought out, complete discussion of the problem.  Please don't just put down a numerical answer; I want to see how you did the problem.  (You won't get full credit for just numerical answers.)  The method you use is much more important to me than the final answer.  Important Grading Feature: If your homework percentage is lower than your exam percentage, I will replace your homework percentage with your exam percentage.  Therefore, your homework grade cannot be lower than your exam grade.

Office Hours: Office hours are times when I will be in my office to help you.  There are many other times when I am in my office.  If I am in and not busy, I will be happy to help.  My office hours for Fall 2011 semester are 10:20 to 11:00, Monday, Wednesday, and Friday, and 3:00 to 4:00 Thursday, or by appointment.

Philosophy:  I strongly believe that you, the student, are the only person who can make yourself learn.  Therefore, whenever it is appropriate, I expect you to discover the statistics we will be exploring.  I do not feel that lecturing to you will teach you how to do statistics.  I hope to be your guide while we learn some statistics, but you will need to do the learning.  The textbook we will be using for this class will require you to actually read it to master the material.

My idea of education is not "Teaching is telling and learning is listening". I believe that you must be active in the learning process to learn well.  My job as a teacher, therefore, is not to tell you the answers to the problems we will encounter; rather it is to point you in a direction that will allow you to see the solutions yourselves.  To accomplish that goal, I will work to find different interactive activities for us to work on.  Your job is to use me, to use your text, to use your friends, and any other resources.
Homework Assignments:  (subject to change if we discover difficulties as we go)

 

Homework 1, due September 20

Chapter 1:     1.4 page 10
                      1.37 pages 33-34
                      7.20 pages 176-177

Homework 2, due September 27

Chapter 2:     2.10 page 51
                      2.38 page 62
Chapter 3:     3.46 page 87 use TI-83

Homework 3, due October 11

Chapter 4:     4.24 page 108
                      4.34 page 112
Chapter 5:     5.4 pages 122-123

Homework 4, due October 18

Chapter 5:     5.24 page 139
                      5.34 pages 142-143
Chapter 6:     6.30 page 165

Homework 5, due November 8

Chapter 8:     8.28 page 208
                      8.35 page 209 (use TI-83, not Table B)
Chapter 9:     9.30 page 230 (use TI-83, not Table B)

Homework 6, due November 15

Chapter 10:   10.46 page 268
Chapter 11:   11.12 page 286
                      11.34 page 297

Homework 7, due December 6

Chapter 14:   14.26 page 359
                      14.36 page 361
Chapter 15:   15.48 page 384

Homework 8, due December 13

Chapter 18:   18.34 page 454
Chapter 19:   19.34 page 484
Chapter 20:   20.30 page 509

 

The tentative schedule below details the daily topics, text sections, quizzes, homeworks, presentations, and exams. 

 

 


Tuesday

Thursday

September 6
No Class

September 8 Day 1
Introduction, Graphical Summaries
Chapter 1

September 13 Day 2
Arizona Temps
Chapter 1

September 15 Day 3
Quiz 1
Numerical Summaries
Chapter 2

September 20 Day 4
Homework 1 Due

Standard Deviation/Normal Data
Chapter 3

September 22 Day 5
Quiz 2
Normal Problems/Correlation
Chapters 3 and 4

September 27 Day 6
Homework 2 Due

Presentation 1
 Unit 1 Review

September 29 Day 7
Exam 1

October 4 Day 8
Outliers I/Olympic Races
Chapters 4 and 5

October 6 Day 9
Quiz 3
Olympic Races/Outliers II
Chapter 5

October 11 Day 10
Homework 3 Due
US Population/Tables
Chapters 5 and 6

October 13 Day 11
Quiz 4
Contingency Table Analysis
Chapter 6

October 18 Day 12
 Homework 4 Due

Presentation 2
Unit 2 Review

October 20 Day 13
Exam 2

October 25 Day 14
 Polls/SRS's
Chapter 8

October 27 Day 15
 Alternate Sampling Schemes
Chapter 8

November 1 Day 16
 
Lurking Variables
Chapter 9

November 3 Day 17
Quiz 5
Randomness and Probability
Chapter 10

November 8 Day 18
Homework 5 Due

Coins, Dice, RV's/ Central Limit Theorem
Chapters 10 and 11

November 10 Day 19
Quiz 6
More CLT
Chapter 11

November 15 Day 20
Homework 6 Due

Presentation 3

Unit 3 Review

November 17 Day 21
Exam 3

November 22 Day 22
m&m's/CI Practice
Chapter 14

November 24
No Class

November 29 Day 23
 Contradiction/Testing Practice
Chapters 15 and 16

December 1 Day 24
 Quiz 7
Testing Simulation/Gosset Simulation
Chapters 15 and 18

December 6 Day 25
 Homework 7 Due

Matched Pairs/Two Samples
Chapters 18 and 19

December 8 Day26
Quiz 8

Proportions
Chapters 20 and 21

December 13 Day 27
Homework 8 Due

Presentation 4

Unit 4 Review

December 15 Day 28
Exam 4

 

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Last updated August 1, 2011