## Business Statistics, Fall 2021

### Instructor

Tengyuan Liang, firstname.lastname@chicagobooth.edu

### TAs

Shuo-Chieh Huang, shuochieh@chicagobooth.edu

Yuexi Wang, yuexi.wang@chicagobooth.edu

Alex Zhao, alexzhao@chicagobooth.edu

### Syllabus

Syllabus

### Lecture Notes

Section 1

Section 2

Section 3

Section 4

Section 5

Key Points

### Practice Exam

Practice Midterm, Practice Solution

Practice Final, Practice Solution

### Homework

Homework 1

Homework 2

Homework 3

Homework 4

Homework 5

Homework 6

Homework 7

Homework 8

Questions about the homework can be posted to Canvas Discussion section. TAs will answer
them within 24-48 hrs during weekdays. I recommend everyone to do *all the homework*.

### R Scripts (optional)

*Dummies and Interactions*

*SLR and MLR*

*Annual Return*, *Hint for Discussion*

*Stock Hedge*

Section 1

Section 2

Section 3

Section 4

Section 5

### Datasets

Shock Absorber Data

Apple, Intel, Safeway Data

Profits

Zagat

Baseball

Orion Bus

Beauty

Mid City

Salary Data

S&P 500 cleaned

### Other Fun Statistics

FiveThirtyEight article

Simpson’s Paradox: video1, video2

Guessing Correlation: wiki, game

Spurious Correlation

Demonstration of Normal Approximation/CLT, and more

Demonstration of Confidence Interval

Chicago Booth Review Article

AI? Not yet

XKCD, hypothesis testing, can you get the point?

Moneyball

Simple Linear Regression App, play!