Introduction to Statistics
"Welcome back to School! Wish everyone in the new semester
More happiness! More Health! More Bright Future!"
-- Dr K
• How Hot is Statistics/Big Data now:
Statistics/Big Data is like teenage sex
Everyone talks about it
Nobody really knows how to do it
Everyone thinks everyone else is doing it
So everyone claims they are doing it....
For the textbooks of statistics, there are usually two classic textbooks:
1. Elementary Statistics, 3rd CA Edition, by Triola, Pearson
Elementary Statistics: A Step By Step Approach 12th Edition
by Allan G. Bluman
The following are the amazon links for the textbook and student solution manual.
You may consider buying together with other classmates if it's expensive.
Download Lecture Notes
Lecture01: Introduction, Motivation to Stats
Lecture02: Measure of Central Tendency, Variance, Measure of Position
Homework #1: from section 3.1, 3.2, 3.3 Central Tendency, Variance
Don't buy stuff for cheap, eventually it will cost you more.
• How can you get some cash back when you shop online?
Say, you want to buy some grocery from target online(3% cash back), or buy a ipad from apple store(1% cash back),
this website Mr. Rebates
provides you the link to those online stores, with exactly the same price;
meanwhile, you can get some cash back(2%-20%) for the purchase.
when you want to buy something online, don't go to their site directly, but go to this site Mr. Rebates
then find the website on Mr. Rebates
that you want to go , buy stuff through that link, then you will get some cash back from the purchase.
This can help you earn a few hundred dollars per year easily.
Exam with solutions
We provide the comprehensive final exams, and the detailed solutions with step by step explaination, plus the final grading rules!
Final Exam 1
Final 1 solutions
Final Exam 2
Final 2 solutions
Final Exam 3
Final 3 solutions
Final 4 solutions
• Practice Exam Review 1a
Practice Exam Review 1b
Practice Exam Review 2a
Practice Exam Review 2b
Practice Exam Review 3a
Practice Exam Review 3b
Here are 2 more useful and powerful big data applications:
• If you want to find the household income
around your neighborhood, or monthly rent, education level, race distribution, same-sex couple
around your neighborhood,
you can go to the NYTimes webiste
• If you want to find out whether there are Sex Crime Offenders
around your neighborhood,
you can go to the MeganLaw Government webiste
In case if you really want to invest and polish your data scientist/statistician skillsets, you can get the
following "7-week free training called Data Incubator
The Data Incubator is an intensive 7 week fellowship that prepares the best scientists and engineers with advanced degrees to work as data scientists and quants. It identifies fellows who already have the 90% difficult-to-learn skills and equips them with the last 10%: the tools and technology stack that make them self-sufficient, productive contributors. The program is free for fellows. Employers only pay a tuition fee if they successfully hire.
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