2022 Business Statistics

Course Objective: 

• REVIEW: Go through the contents coverd by EC211;

• COMPLEMENT: Introduce background knowledge and my own understanding;

• IMPROVE: Applications or advanced theory.

Wish you a pleasant journey with business statistics!

General Information: 

• Time: 19:00-21:00, Tuesday, Week 7-14;

• Format: Online via Tecent meeting;

Meeting number will be announced in the QQ group each week.

• Contact: QQ/WeChat 

    1. I'm in the WeChat group "安泰2021级本科生交流群".

    2. If there are many questions, please use the questionnaire shared by Qiying Chen.

        She will arrange all the questions and I will reply in the next class!

Note: 

1. All the resources are public goods!

2. VIDEO will be uploaded right after each class;

3. SLIDES will be updated occasionally.

4. In preparation the contents, I brought heavily from the lecture notes from Professor Wenxin Huang, Shanghai Jiao Tong University, who is my advisor and one of the instructors of EC211. All remaining errors are mine.

Syllabus:

(Click to download slides & videos)

Lecture 1: Probability Basics (Sildes)

Lecture 2: Statistical Inference (Slides)

1. Parmeter Estimation (Population Mean)

2. Hypothesis Testing: Parametric Methods (Z- and T-test)

3. Hyphthesis Testing: Nonparametric Methods (Sign / Sign-Rank / MWW)

Lecture 3: Statistical Inference: More Examples (Slides)

1. Parametric: Variance Test (One Sample, Chi-2-test / Two Samples, F-test)

2. Non-Parametric: Chi-Squared Test (Three or More Proportions / Independence / Distribution)

Lecture 4: ANOVA: ANalysis Of VAriance

Lecture 5: Linear Regression