- You are very welcome to choose this class. For questions regarding enrollment, please contact Prof. Ettinger: bree.d.ettinger@emory.edu.
- Test 1 has been postponed for a week from Feb. 19th to Feb. 26th.
- Contacts
- Course description
- Textbook
- Coverage
- Prerequisite
- Students obligations
- Homework
- Midterm tests
- Due dates for homework and tests
- Final exam
- Attendance
- Assessment
- Slides
- Tentative schedule
- Gradescope
- Feedback
- Netiquette
- Honor code
- Accessibility
- Harassment
- Acknowledgement
Lecture Instructor | Dr. Le Chen |
le.chen@emory.edu, santiago.arango@emory.edu (please include "Math 362" in the subject field of your email) | |
Synchronous Session | Wednesday 9:40AM -- 10:55AM |
Office hours | Monday and Wednesday 1:00pm -- 2:00pm, or by appointments |
Zoom link | https://emory.zoom.us/j/94863155226?pwd=NjducFE0b3hFQ2V0MVYxVXptS2Rxdz09 |
- The password for both Zoom links are on Canvas page.
- The Zoom link is for both synchronous session and office hours.
-
When you send us emails, please do include the keyword
Math 362
in the subject field of your email to ensure a timely response.
Statistics is the science concerned with developing and studying methods for collecting, analyzing, interpreting and presenting empirical data. Statistics is a highly interdisciplinary field; research in statistics finds applicability in virtually all scientific fields and research questions in the various scientific fields motivate the development of new statistical methods and theory.
This course is the second course of the two-semester sequential courses -- Math 361 and Math 362. In the previous course we studied probability, which lays foundation for this course. In this course, we will study some fundamental ideas in statistics and various tools in statistical inference. In particular, we will cover parameter estimation, hypothesis testing, linear regression, analysis of variance (ANOVA) and various nonparametric counterparts. We will introduce and mostly use the R for data analysis. We may also use the statistical Python depending on students' request.
- "An Introduction to Mathematical Statistics", by Richard J. Larsen and Morris L. Marx, 6th Ed.
The book consists of fourteen chapters, we will cover most parts of the following ten chapters:
- Chapter 5. Estimation
- Chapter 6. Hypothesis testing
- Chapter 7. Inferences based on normal distribution
- Chapter 8. Types of data: a brief overview
- Chapter 9. Two-sample inference
- Chapter 10. Goodness-of-fit tests
- Chapter 11. Regression
- Chapter 12. The analysis of variance
- Chapter 13. Randomized block designs
- Chapter 14. Nonparametric statistics
- Math 361
In order to successfully master the material and complete the course, you are expected to
- Read the textbook and watch video lectures for each section.
- Take the advantage of the office hours, which give you additional chance to interact lively with the instructor.
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Since problems solved or question/answers in the office hour will be beneficial to other students, be default the office hours will be recorded automatically.
In case you do not want put the office hours on Canvas, please let me know. - Attend weekly Zoom class meeting, and watch video recordings for the asynchronous materials.
- Participate actively in group activities during Zoom meetings.
- Complete and submit weekly homework through Gradescope.
- Read solutions and any feedback you receive for each problem set.
- Complete two midterm tests and one final exam.
- Use appropriate etiquette and treat other students with respect in all discussions.
- Do not hesitate to ask for help whenever needed.
Note: The syllabus was created in Dec. 2020, and it is subject to changes during the semester.
- There will be about 11 weekly homework assignments scheduled as follows:
Releasing | Due at |
---|---|
Wednesday 6:00pm EST | The following Wednesday, 6pm EST |
- No late homework will be accepted.
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The homework consists of two phases:
- In Phase I, you need to complete questions on Canvas Quiz.
- In Phase II, you need to write details of some problems and upload your solutions to gradescope.
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Keep in mind that, the Canvas Quiz part, no matter it is for homework, test or final exam, you
will be given two attempts and the highest attempt will be recorded. -
The lowest grade will be dropped, that is, the final score for the homework will be averaged over the rest HWs.
-
Note that the drop policy is not a bonus. It aims at accounting for all circumstances such as
sickness, injuries, family emergencies, religion holidays, etc.
-
Note that the drop policy is not a bonus. It aims at accounting for all circumstances such as
- Note that, in Phase I, there will be some numerical problems, here are the rounding policies.
- There will be two midterm tests starting from the following three Fridays.
Releasing at Friday | Due at Saturday | Coverage | |
---|---|---|---|
Test I | 02/26/2021, 6pm EST | 02/27/2021, 6pm EST | Chapter 5 |
Test II | 03/26/2021, 6pm EST | 03/27/2021, 6pm EST | Chapters 6 -- 10 |
Final Exam | 05/07/2021, 8AM EST | 05/08/2021, 8AM EST | Chapters 5 -- 14, comprehensive |
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Please note down the above two dates. The setup has taken into account of different time zones.
Hence, no late exam and further extension will be given. - You will have 24 hours to complete take-home problems and upload your solutions to Gradescope.
-
The test consists of two phases as the homework. The only difference is that you need to complete
both Phases in 24 hours.
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Here are a list of due dates for eleven homeworks and three tests (the Phase II part).
Wednesday Friday Saturday Week 1 01/27 6pm EST HW01 releases Week 2 02/03 6pm EST HW02 releases HW01 is due Week 3 02/10 6pm EST HW03 releases HW02 is due Synchronous session canceled Week 4 02/17 6pm EST HW04 releases HW03 is due Break day Week 5 02/24 6pm EST HW05 releases HW04 is due 02/26 6pm EST Test I releases 02/27 6pm EST Test I is due Week 6 03/03 6pm EST HW06 releases HW05 is due Week 7 03/10 6pm EST HW07 releases HW06 is due Week 8 03/17 6pm EST HW07 is due (no assignment week) Week 9 03/24 6pm EST HW08 releases 03/26 6pm EST Test II releases 03/27 6pm EST Test II is due Week 10 03/31 6pm EST HW09 releases HW08 is due Week 11 04/07 6pm EST HW10 releases HW09 is due Week 12 04/14 6pm EST HW11 releases HW10 is due Week 13 04/21 6pm EST HW11 is due Week 14 04/28 Week 15 05/05 05/07 8am EST Final Exam releases 05/08 8am EST Final Exam is due
- Final exam will be cumulative.
- The final exam will consist only of Phase II part.
- You will have 24 hours to complete it and upload them to Gradescope.
- The attendance will be collected during Zoom automatically.
- Attendance will not directly counted into your final score.
- But sufficient attendance will make your eligible for grade curving at the end of semester.
- The final score will be determined as follows:
-
Based on the final score (plus potential bonus points), the final letter grade will be determined as follows:
Grade (+) Grade Grade (-) A 92%-100% A- 90%-91.9% B+ 87%-89.9% B 82%-86.9% B- 80%-81.9% C+ 77%-87.9% C 72%-76.9% C- 70%-71.9% D+ 67%-67.9% D 67%-67.9% D- 60%-61.9% F 0%-59.9% -
Since we will have scores in both Canvas and Gradescope, you are encouraged
to can download this spread sheet to keep track of your progress.
- Slides will be updated constantly throughout the semester and please check the time stamp on the front page.
- I strongly encourage you to study in advance.
Chapter/Section | Slides | Slides |
---|---|---|
Chapter 5: Estimation | presentation | handout |
5.1 Introduction | presentation | handout |
5.2 Estimating parameters: MLE and MME | presentation | handout |
5.3 Interval Estimation | presentation | handout |
5.4 Properties of Estimators | presentation | handout |
5.5 Minimum-Variance Estimators: The Cramer-Rao Lower Bound | presentation | handout |
5.6 Sufficient Estimators | presentation | handout |
5.7 Consistency | presentation | handout |
5.8 Bayesian Estimation | presentation | handout |
Chapter 6: Hypothesis Testing | presentation | handout |
6.1 Introduction | presentation | handout |
6.2 The Decision Rule | presentation | handout |
6.3 Testing Binomial Data -- \(H_0:p=p_0\) | presentation | handout |
6.4 Type I and Type II Errors | presentation | handout |
6.5 A Notion of Optimality: The Generalized Likelihood Ratio | presentation | handout |
Chapter 7: Inferences Based on the Normal Distribution | presentation | handout |
7.1 Introduction | presentation | handout |
7.2 Comparing \(\frac{\overline{Y}-\mu}{\sigma/\sqrt{n}}\) and \(\frac{\overline{Y}-\mu}{S/\sqrt{n}}\) | presentation | handout |
7.3 Deriving the Distribution of \(\frac{\overline{Y}-\mu}{S/\sqrt{n}}\) | presentation | handout |
7.4 Drawing Inferences About \(\mu\) | presentation | handout |
7.5 Drawing Inferences About \(\sigma^2\) | presentation | handout |
Chapter 9: Two-Sample Inferences | presentation | handout |
9.1 Introduction | presentation | handout |
9.2 Testing \(H_0:\mu_X=\mu_Y\) | presentation | handout |
9.3 Testing \(H_0:\sigma_X^2=\sigma_Y^2\) | presentation | handout |
9.4 Binomial Data: Testing \(H_0:p_X=p_Y\) | presentation | handout |
9.5 Confidence Intervals for the Two-Sample Problem | presentation | handout |
Chapter 10: Goodness-of-fit Tests | presentation | handout |
10.1 Introduction | presentation | handout |
10.2 The Multinomial Distribution | presentation | handout |
10.3 Goodness-of-Fit Tests: All Parameters Known | presentation | handout |
10.4 Goodness-of-Fit Tests: Parameters Unknown | presentation | handout |
10.5 Contingency Tables | presentation | handout |
Chapter 11: Regression | presentation | handout |
11.1 Introduction | presentation | handout |
11.2 The Method of Least Squares | presentation | handout |
11.3 The Linear Model | presentation | handout |
11.4 Covariance and Correlation | presentation | handout |
11.5 The Bivariate Normal Distribution | presentation | handout |
11.A Appendix Multiple/Multivariate Linear Regression | presentation | handout |
Chapter 12: The Analysis of Variance | presentation | handout |
12.1 Introduction | presentation | handout |
12.2 The \(F\) Test | presentation | handout |
12.3 Multiple Comparisons: Turkey's Method | presentation | handout |
12.4 Testing Subhypotheses with Contrasts | presentation | handout |
Chapter 13: Randomized Block Designs | presentation | handout |
13.1 Introduction | presentation | handout |
13.2 The \(F\) Test for a Randomized Block Design | presentation | handout |
13.A Appendix: Some Discussions and Extensions | presentation | handout |
Chapter 14: Nonoparametric Statistics | presentation | handout |
14.1 Introduction | presentation | handout |
14.2 The Sign Test | presentation | handout |
14.3 Wilcoxon Tests | presentation | handout |
14.4 The Kruskal-Wallis Test | presentation | handout |
14.5 The Friedman Test | presentation | handout |
14.6 Testing for Randomness | presentation | handout |
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Below is the tentative schedule that may change during the semester:
Monday -- Friday Coverage Test Week 1 01/25 -- 01/29 5.1 -- 5.2 Week 2 02/01 -- 02/05 5.3 -- 5.5 Week 3 02/08 -- 02/12 5.6 -- 5.7 Week 4 02/15 -- 02/20 5.8 (Rest Day) Week 5 02/22 -- 02/27 6.1 -- 6.4 Test I (Chapter 5) Week 6 03/01 -- 03/05 6.5, 7.1 -- 7.5 Week 7 03/08 -- 03/12 9.2 -- 9.5 Week 8 03/15 -- 03/19 10.2 -- 10.5 No assignment week Week 9 03/22 -- 03/26 11.2 -- 11.3 Test II (Chapters 6-10) Week 10 03/29 -- 04/02 11.4 -- 11.5 Week 11 04/05 -- 04/09 12.2 -- 12.4 Week 12 04/12 -- 04/16 13.2 -- 13.3 Week 13 04/19 -- 04/23 14.2 -- 14.6 Week 14 04/26 Reviewing week
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We will use gradescope to handle submissions of homework, take-home tests and exams,
which allows us to provide fast and accurate feedback on your work. -
As soon as grades are posted, you will be notified immediately so that you can log in and see your
grades and feedback. -
Your Gradescope login is your university email, and your password can be changed there. The same
link can be used if you need to set your password for the first time.- You should have received an email from Gradescope for the registration by 2021-01-23;
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If you do not receive this email, please use the Entry Code to register yourself:
86KJZ6
.
- If you have any questions regarding Gradescope, please send your message to
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Printer+scanner or tablet
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The easiest way to submit the homework/tests/exams is the following steps:
- print the given template;
- complete the problem sets;
- scan the resulting paper (make sure it is legible);
- upload the scanned file to gradescope.
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Alternatively, if you have a tablet that you can write on it, you may simply write on the
template pdf file and upload the resulting file. - Make sure that you make the correct association of your solutions to the problems.
- Double check your scan quality and make sure your solutions are legible.
-
The easiest way to submit the homework/tests/exams is the following steps:
-
The following short video (1 minutes 40 seconds) shows the basic usage of gradescope, which should
explain everything you need to be able to do.
- More instruction will be available towards the fall 2020.
- Your feedbacks are important for us to improve the teaching and make the learning process more effective and enjoyable.
-
Here are two ways that you could let me know what your think:
- You may send me an email.
- If you want to send me some feedback in an anonymous way, you may fill in the following form:
Not all forms of communication found online are appropriate for an academic community or respectful of others. In this course (and in your professional life that follows), you should practice appropriate etiquette online (``netiquette''). Here are some guidelines:
- You should read and follow Rasmussen College's 10 Netiquette guidelines every online students needs to know.
- If you need extra accommodations, please contact the instructor as soon as possible.
- You are encouraged to login Zoom in time (preferably one or two minutes early) and stay until the end.
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During the zoom class session,
- please silence all cell phones and other electronic devices;
- Please do not read email or look at websites, social media, etc;
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please actively participate in the zoom class meeting:
- You are highly encouraged to ask and answer questions.
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You should also expect that I randomly pick students to help me solve exercises
and/or answer specific questions. -
There will be Zoom Poll from time to time:
You need to response the questions during Zoom Sessions to justify your active attendance.
- Students should familiarize themselves with the Emory College honor code here
-
Students are encouraged to share ideas and solutions on problem sets and labs, but must
express those ideas in their own words in their submitted work. - Students are not authorized to view or use the work of another student during exams.
Your success in this class is important to me. We will all need accommodations because we all learn differently. If there are aspects of this course that prevent you from learning or exclude you, please let me know as soon as possible. Together we’ll develop strategies to meet both your needs and the requirements of the course.
I encourage you to visit the Office of Accessibility Services (OAS) to determine how you could improve your learning as well. You can register and make a request for services from OAS. In this case, please do inform me of such requests. See the following link for more information:
- According to the Emory University policies: http://policies.emory.edu/1.3
Discriminatory harassment of any kind, whether it is sexual harassment or harassment on the basis of race, color, religion, ethnic or national origin, gender, genetic information, age, disability, sexual orientation, gender identity, gender expression, veteran’s status, or any factor that is a prohibited consideration under applicable law, by any member of the faculty, staff, administration, student body, a vendor, a contractor, guest or patron on campus, is prohibited at Emory.
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