Business Statistics, Spring 2018
On week 10 (Jun 1st and 2nd), I will talk about data science, where ideas from statistics, machine learning and optimization interact. This material won’t be required for the exam.
Week 10, Bonus
Practice Midterm, Practice Solution
Spring Midterm Solution
Practice Final, Practice Solution
Homework 1, Solution 1
Homework 2, Solution 2, Solution Q1 and Q2 in R, Q1 in Excel, Q2 in Excel
Homework 3, Solution 3
Homework 4, Solution 4
Questions about the homework can be posted to Canvas Discussion section. TAs will answer
them within 24-48 hrs during weekdays. Homework does not count towards the final grade, but I strongly recommend everyone to do all the homework.
R Scripts (optional)
Week 10, Script
Dummies and Interactions
SLR and MLR
Shock Absorber Data
Apple, Intel, Safeway Data
S&P 500 cleaned
Other Fun Statistics
Simpson’s Paradox: video, article
Guessing Correlation: wiki, game
Demonstration of Normal Approximation/CLT
Demonstration of Confidence Interval
Chicago Booth Review Article
AI? Not yet
XKCD, hypothesis testing, can you get the point?
Simple Linear Regression App, play!
Acknowledgement: Thanks to Dr. Carlos Carvalho for sharing many materials.