STAT 240.1
Introduction to Biometry
Fall 1998
MWF 2:30-3:20
125 Thomas Building

    Instructor: Matt Herbison
            Office: 330B Thomas Building
           Phone: (814) 863-0692
             Email: herbison@psu.edu
Office Hours: MWF 11:00-12:00 or by appointment

Teaching Asst: None yet
                Office:
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TEXT
Statistical Methods in the Biological and Health Sciences (3rd edition) by J. Susan Milton. You should be able to use the 2nd edition (very similar), although you will be responsible for figuring out any disparities between the two editions.

WEB SITE
The Web Site for this course can be accessed by going to the Statistics Department Web Page (http://www.stat.psu.edu) and clicking on the COURSES link. Look there for announcements and other useful information.

EXTRA HANDOUTS
All handouts will be brought to class only once. Remaining handouts will be placed in 332 Thomas on a shelf behind the door. This room is always kept open for your convenience.

STAT240/250
Stat240 is new this year, so it is a transition year since Stat240 and Stat250.3 are the same course. The first two sections of Stat250 have a different text, and will teach health science statistics. Because it is a transition year, 240 and all sections of 250 will be equivalent for your later prerequisites.

CLASS MEETINGS
Our classes will be a combination of lecture, group and individual work, and group "presentations." Each week, I will distribute a handout outlining the topics, readings, and assignments that we will be covering. Many people find this course easier in the beginning while the difficulty significantly increases about half-way through. While I do not take attendance, I strongly encourage you to attend on a regular basis.

HOMEWORK
Problems will be assigned during class, but assignments will not be collected. All solutions are posted on the course homepage. Material in these homework problems is testable. It is strongly encouraged that you do the homework if you'd like to understand the material and/or do well in the class.

PARTICIPATION – worth 4% of grade
I expect class participation. While attendance is not mandatory, keep in mind that 4% of your grade is based on participation. This includes class participation and general "participation in learning." If you are having difficulty with the material, you can participate by coming to office hours. If you are a genius and don’t feel the need to come to class, you’d better show up once a week to wow me with an intuitive question or clever example.

QUIZZES – worth 20% of grade
There will be five quizzes this semester (most are on Fridays):

Tentative Quiz Dates

  1. September 11
  2. October 2
  3. October 16
  4. November 13
  5. December 9 (Wednesday)
The goal of the quizzes is to help you keep up with the work. They will each be 15-20 minutes long and you will be allowed to use a calculator and bring in a sheet of notes (both sides of regular notebook-sized piece of paper). There are no make-ups for these, and the lowest grade on the quizzes drops. There are no make-up quizzes, but if you miss a quiz for a valid reason then the score for that quiz will equal the score on the final exam.

IN-CLASS EXAMS – worth 40% of grade
There will be three in-class exams during the semester. You will be allowed to use a calculator and bring in a sheet of notes (both sides of regular notebook-sized piece of paper). The lowest grade on the exams will be dropped. Exams will count for 40% of your grade (so, 20% for each of your two highest). There are no make-up exams, but as with the quizzes, if you miss an exam for a valid reason, I will set its score equal to the final exam grade. Dates of the exams will be finalized soon.

Tentative Dates

  1. September 23 (Wednesday)
  2. October 26 (Monday)
  3. November 23 (Monday)
FINAL EXAM – worth 22% of grade
The final exam will count for 22% of your grade and is cumulative and mandatory. The preliminary exam schedule says that our final should be on Monday, Dec 14, from 2:30-4:20 PM. Go to (http://www.psu.edu/registrar/finex/fall/up/index.html) on October 19 to find the definite time and place for the final. Don’t miss your opportunity to schedule for conflicts (do it by Friday, October 23) -- the registrar will charge you a $10 fee beginning Monday, October 26.

COMPUTER PROJECT – worth 5% of grade
There will be one computer project designed to illustrate the use of computers in statistical analysis. The software package used is MINITAB, and it is available in the computer labs when you use your ACCESS account. The project will be due near the end of the semester (exact date TBA).

GROUP PROJECT – worth 9% of grade
Try to form groups of size three or four (roughly) as soon as possible. It would be a good idea to try to find group members with similar majors/fields. You will maintain these groups throughout the semester. Each group will be responsible for finding an example of statistics in its members' academic field. Ideally, we'll be able to incorporate these into the class as examples while learning new topics. I will randomly assign each group to a different week in the semester. Prior to that week, the group (or a couple representatives) must make arrangements to meet with me, ideally during office hours. You will present your idea to me and we will work it into the lecture material for that week. Later in the week I will present your example to the class. At the end of the semester, we will vote for the best example. Extra credit may be given for the best example.

The purpose of this project is to hopefully prepare you for future courses you'll be taking in which statistics are used. The situation often arises where students have taken Stat250 (or 240 now) and then take an upper level course in their major, only to be confused by the statistics used there. Unfortunately, there are several ways in which statistics can be discussed and applied, so what we'll try to do is anticipate some of the problems you may have in the future.

This is a course to prepare you for future courses in your majors, so any suggestions you have towards improving the content or style are more than welcome.

GENERAL GROUP WORK
You are strongly encouraged to work in your groups on many aspects of this course. Many students find it beneficial to collaborate on homework and study for exams together. During class, groups will be asked to write their answers to particular problems on the board and explain them, as well as participate in other group activities.

Be aware, however, that any work that is turned in individually should reflect individual effort. Any suspected copying/cheating will result in loss of points for all parties involved.

EXTRA CREDIT
Opportunities for extra credit may arise. This will be determined as the course progresses. Don’t rely on this – if we do have extra credit, it won’t be more than a couple of points.

GRADE BREAKDOWN

Participation 4%
Group project 9%
Computer project 5%
Quizzes 20% (average of best four)
In-class exams 40% (average of best two)
Final exam 22%

TENTATIVE COURSE CONTENT
Descriptive Methods Chapter 1 except section 1.7
Probability Chapter 2,3
Discrete Random Variables Chapter 4
Continuous Random Variables Chapter 5
Inferences on The Mean Chapter 6
Inferences on Proportions Chapter 8
Comparing Two Means Chapter 9 except section 9.2
k-Sample Procedures Chapter 10 10.1 and some of 10.2
Regression and Correlation Chapter 11
Categorical Data Chapter 12

This outline should roughly break the course into three parts: the first third where we talk about descriptive statistics and probability, the middle third where we introduce some probability distributions and the concepts of confidence intervals and hypothesis tests, and then a final third where we talk about specific applications. Note that this is a non-calculus statistics class, and so your mathematical knowledge doesn't have to go beyond +,-,*,/. What is important though, is to keep up with the material since it tends to build on itself. Please ask questions during or after class if you any concepts are unclear to you, and don't hesitate to visit me or the grader during office hours.

NOTE ON OFFICE HOURS
If you are having trouble with any of the topics, please consider attending my office hours. Often the one-on-one environment makes it considerably easier to learn the material. Also, since it is often difficult to speak up in a class of thirty people, office hours provide a much less threatening situation in which to ask questions.