PBIS 189 Introduction to Statistics

Fall 2007

Section 001 8:00 to 9:00 M W F
Section 002 9:10 to 10:10 M W F

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

Classroom:     Swart 126         Text: The Basic Practice of Statistics 4th edition, by David S. Moore

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 400 points:

 

Topic

Points

Tentative Date

Exam 1

One-Variable Descriptive Statistics

60 pts.

September 26

Exam 2

Two-Variable Descriptive Statistics

60 pts.

October 17

Exam 3

Sampling and Probability

60 pts.

November 12

Exam 4

Statistical Inference

60 pts.

December 14

Group Presentations

20 Points Each

80 pts.

Biweekly

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.  Minimum scores for each grade and attendance level are as follows:

Absences =>

Grade:

0 to 3

4 to 6

7 to 9

10 to 12

13 or more

A

340 (85 %)

360 (90 %)

 

 

 

AB

320 (80 %)

340 (85 %)

360 (90 %)

 

 

B

300 (75 %)

320 (80 %)

340 (85 %)

360 (90 %)

 

BC

280 (70 %)

300 (75 %)

320 (80 %)

340 (85 %)

360 (90 %)

C

260 (65 %)

280 (70 %)

300 (75 %)

320 (80 %)

340 (85 %)

CD

280 (70 %)

260 (65 %)

280 (70 %)

300 (75 %)

320 (80 %)

D

220 (55 %)

240 (60 %)

260 (65 %)

280 (70 %)

300 (75 %)

Presentations:  There will be four presentations, each worth 20 points.  The descriptions of the presentations are on the Days189Fall2007 file.  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.  The topics are:  1 - Displays (September 24).  2 – Regression (October 15).  3 - Sampling (November 9).  4 - Statistical Hypothesis Testing (December 12).

Homework:  I will collect 3 homework problems approximately once a week.  The due dates are listed on the course outline below.  While I will only be grading 3 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.  To aid in your study groups, I will be distributing a class roll of both sections I am teaching this semester.

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 2007 semester are 10:20 to 11:00, Monday, Wednesday, and Friday and 1:50 to 2:50, Tuesday 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 teaching / learning 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.  Keep in mind that the goal is to learn statistics, not to pass the exams.  (Incidentally, if you have truly learned the material, the exam results will take care of themselves.)

Homework Assignments:  (subject to change if we discover difficulties as we go)

Homework 1, due September 17

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

Homework 2, due September 24

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

Homework 3, due October 8

Chapter 4:                4.24 page 108
                                      4.34 page 112
Chapter 5:                5.4 page 123

Homework 4, due October 15

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

Homework 5, due October 31

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 9

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

Homework 7, due November 30

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

Homework 8, due December 12

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

 

 

 




Monday

Wednesday

Friday

September 3
 NO CLASS

September 5 Day 1
Introduction

September 7 Day 2
Graphical Summaries
Chapter 1

September 10 Day 3
Arizona Temps
Chapter 1

September 12 Day 4
Numerical Summaries
Chapter 2

September 14 Day 5
Standard Deviation
Chapter 2

September 17 Day 6
HW 1 Due

Intro to Normal
Chapter 3

September 19 Day 7
Normal Problems
Chapter 3

September 21 Day 8
Review of Unit 1

September 24 Day 9
HW 2 Due

Presentation 1

September 26 Day 10
Exam 1

September 28 Day 11
Correlation
Chapter 4

October 1 Day 12
Outliers I
Chapter 4

October 3 Day 13
Olympic Races
Chapter 5

October 5 Day 14
Outliers II
Chapter 5

October 8 Day 15
HW 3 Due
US Population
Chapter 5

October 10 Day 16
Contingency Tables
Chapter 6

October 12 Day 17
Expected Tables
Chapter 6

October 15 Day 18
HW 4 Due
Presentation 2

October 17 Day 19
Exam 2

October 19 Day 20
Polls
Chapter 8

October 22 Day 21
SRS's
Chapter 8

October 24 Day 22
Alternate Sampling Schemes
Chapter 8

October 26 Day 23
 
Lurking Variables
Chapter 9

October 29 Day 24
Randomness and Probability
Chapter 10

October 31 Day 25
HW 5 Due
Coins, Dice, RV’s
Chapter 10

November 2 Day26
 Central Limit Theorem
 Chapter 11

November 5 Day 27
More CLT

November 7 Day 28
 Review of Unit 3

November 9 Day 29
HW 6 Due

Presentation 3

November 12 Day 30
Exam 3

November 14 Day 31
m&m’s

Chapter 14

November 16 Day 32
CI Practice
Chapter 14

November 19 Day 33
Contradiction
Chapter 15 and 16

November 21
 NO CLASS

November 23
 NO CLASS

November 26 Day 34
 Hypothesis Test Practice
Chapter 15

November 28 Day 35
 Testing Simulation
Chapter 15

November 30 Day 36
HW 7 Due
Gosset Simulation
Chapter 18

December 3 Day 37
 Matched Pairs
Chapter 18

December 5 Day 38
Two Samples
Chapter 19

December 7 Day 39
Proportions
Chapters 20 and 21

December 10 Day 40
Unit 4 Review

December 12 Day 41
HW 8 Due

Presentation 4

December 14 Day 42
Exam 4

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Managed by: chris edwards
Last updated August 7, 2007