MATH3131 (Fall 2012)

Hello everyone, 

The Fall 2012 Course evaluations will be available on-line tomorrow (November 13, 2012).  The URL link is 

You will have from November 13, 2012 to December 4, 2012 to submit the evaluations.  Thanks for your input and feedback!




InstructorXin Gao, Associate Professor, Department of Math & Stats

Office: N623 Ross

Ext: 66097

Time and Place: T and R 11:30-1:00 CB115

Office hours:  T and TR 1-2 N623 Ross

Text: Introduction to Mathematical Statistics 

Robert V. Hogg (Author), Allen Craig (Author)

Course Evaluations:

Final exam coverage: 3.1,3.2,3.3,3.4,3.5,3.6, 4.1, 4.2, 4.3, 4.4, 4.5, 4.6, 4.7, 4.8, 4.9, 5.1, 5.2, 5.3, 5.4, 6.1, 6.2, 6.3, 6.4, 6.5

Closed book and notes. You can prepare a formula-sheet with letter size, double-sided, formula only.

Officehour during exam period: Dec 10, 11-1 at N623 Ross.

Homework 4 is ready for pick up during office hour or in the bag on my office door.




Tentative Schedule

4 assignments

5% each, total 20%

individual work

1 midterm


Held in class (120 minutes)

1 final exam


Time and place to be announced




Weekly schedule


3131assign1.pdf  Assignment 1, due in class Sept 27, 2012


Hw1 return on oct 4, solution math3131hw1sol.pdf

Midterm exam, Oct 25, 2012 in class. Grade returned on Oct 30, 2012


math3131hw2.pdf  hw2 Assignment 2, due inclass Oct 23, 2012. Math3131solu2.pdf returned on nov 6, 2012


Midterm : closedbook, in class Oct 25, 2012, 1.5 hr. You can prepare a formula-sheet with letter size, one side only, formula only.

Coverage of the test: 3.1,3.2,3.3,3.4,3.5,3.6, 5.1, 5.2, 5.3, 5.4


Assignment 3, due in class on Nov 15, 2012. The problem set will be posted on Wednesday, Nov 7. Returned on Nov 27.

math3131hw3page1.jpeg Or this one pdf file:Assignment 3 3131.pdf

If you have questions, please drop by during my office hours.  math3131hw3answer.pdf


Assignment 4, due in class on Nov 29, 2012. hw4  a pdf version of hw4 /Hw 4 Math 3131.pdf


Home 4 solution and midterm solution math3131hw4andmidtermanswer.pdf


Policy regarding late work:

No late homework will be accepted and no makeup test will be given. If you cannot write a test for medical (or other tangible reasons), please provide a medical certificate within four days from the due date and the weight of the missing test will be transferred to the final exam. Otherwise you will receive a zero for the missing work. 

Course Coverage: This course will cover Chapter 1- Chapter 6  in the textbook.

Quizzes and Final:

All tests will be closed book. Need to bring your ID with photo and a calculator.

What is Expected of the Student

Re-evaluation of Assignment/ Midterm: