STA 3024                     Introduction to Statistics II                  Spring 2006                                   


Instructor:  Maria I. Ripol                                           Sec 0751  MWF 3rd pd   CSE A101

office: Griffin Floyd 117 C                                            phone: 392-1941 ext 217

office hours: Mondays 4th and 7th pd                             email:                             Wednesdays 7th pd, Fridays 4th pd                                   web: 

or by appt


Course Description and Objective
This course satisfies General Education Credits in the Mathematical Sciences.  Students learn how to summarize data and how to make appropriate decisions based on data.

The sequence of courses STA 2023-3024 provides students with a firm foundation in the basics of applied statistical methods.  The prerequisite for this course is STA 2023, which covered chapters 1-8 in the textbook (Data collection, graphical and numerical summaries, probability and an introduction to statistical inference).  Concepts from STA 2023 will be reviewed as needed.   Introduction to Statistics II focuses on the following four topics:

1.       Analysis of Variance to compare three or more population means

2.       Inference for Regression, covering Simple Linear Regression and Multiple Regression.

3.       Analysis of Two-Way Tables to study the relationship between two categorical variables.

4.       Nonparametric Statistics that do not require a Normal distribution of the response variable.


Required Materials

1.       Introduction to the Practice of Statistics, by David S. Moore and George P. McCabe, 5th edition, Freeman, 2004.

2.       Scientific Calculator (around $10 to $15) that has some basic statistical functions like mean and standard deviation (look for the following symbols:  and either s or σn-1) .  Graphing calculators are not allowed.


Course Website:

Announcements for the course, and computer output to supplement the examples done in class, will be linked from this page.  There will also be instructions on that website that will direct you to WebCT, an integrated, password protected, Web based classroom management tool.  In WebCT you will be able to take the online quizzes, and check all your grades. Note:  The lectures for this class will NOT be available online.


Online Quizzes

There will be four online quizzes, administered through WebCT.  You have three tries for each quiz (with questions randomly generated) over a period of 4 days.   Each quiz will be worth 10 points, for a total of 40 points.  Hopefully these quizzes will serve the purpose of improving your grade in the class, as well as be an important tool in learning the material for the course.  More details on the WebCT quiz functions will be given in class.  Quiz dates will be announced in class.


Suggested Homework Problems, will appear on the website.  These will help you master the material but will not be collected.



There will be two data analysis projects to be completed during the semester.  Each project will be worth 30 points, for a total of 60 points.  More details on the projects will be given in class. 


There will be two exams given in class during the semester, plus one during finals week, each worth 100 points, all in multiple choice format.  Students are required to bring to the exam their student ID number, picture ID, a calculator, and pencils.  In case of conflict or illness, if a student is unable to take an exam at the scheduled time, they must get in touch with the instructor immediately, for any arrangements to be made for a makeup. Each case will be reviewed individually. Valid and detailed documentation is a prerequisite under such extenuating circumstances. A grade of zero is the minimum punishment of any type of dishonesty on an exam.

Exam 1  

 Wednesday February 8  (in class)

 Chapters 12, 13 

Exam 2  

 Wednesday, March 8  (in class)

 Chapters 10, 11 

Exam 3  

 Tuesday, May 2, 3:00 – 5:00 pm

 Chapters 9, 14, 15, 16 


Course Assessment

                Grade Structure




Grading Scale

Exam 1

   100 points



90% to 100%

Exam 2

   100 points



85% to 89%

Exam 3

   100 points



80% to 84%


     60 points



75% to 79%


     40 points



65% to 74%


   400 points



60% to 64%   (No D+ given)





59% and below

Course Policies:

Email – will be answered within one working day in most cases.  Please be aware that statistical questions should be answered in person (in class or during office hours) since they often require pictures and formulas that make it very hard to communicate through email.

Attendance – although not required, is very highly recommended.  This class is NOT offered online, and the other section is taught by a different instructor, possibly in a different order.  If you miss a class for any reason, it is your responsibility to get a copy of the notes and all information given in class from another student.  Additionally, during class students should turn off their cellular phones and refrain from eating, drinking, reading newspapers, doing homework and excessive talking.

Instructor's Honor Code - We the members of the University of Florida community, pledge to hold ourselves and our peers to the highest standards of honesty and integrity.

Academic Dishonesty - We adhere to the University of Florida rules and guidelines for handling instances of academic dishonesty. Please refer to the Office for Student Services for detailed information about the current policies.

Grading – grades will be changed only when an error has been made.  Negotiation is not appropriate.  Incompletes are only assigned when extraordinary circumstances, arising after the date for dropping the course, prevent the student from completing the course requirements. Having a failing grade in the course is not a valid reason for requesting an Incomplete.

Students with Disabilities - Students who require special accommodations in class or during exams should follow the procedures outlined by the Disability Resources Program (  Please see the instructor during office hours early in the semester, to discuss your accommodation letter confidentially.