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# Intro to Statistics

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## Overview

Statistics is about extracting meaning from data. In this class, we will introduce techniques for visualizing relationships in data and systematic techniques for understanding the relationships using mathematics.

Why Take This Course?

This course will cover visualization, probability, regression and other topics that will help you learn the basic methods of understanding data with statistics.

## Syllabus

### Lesson 1: Visualizing relationships in data

Seeing relationships in data and predicting based on them; Simpson's paradox

### Lesson 2: Probability

Probability; Bayes Rule; Correlation vs. Causation

### Lesson 3: Estimation

Maximum Likelihood Estimation; Mean, Median, Mode; Standard Deviation, Variance

### Lesson 4: Outliers and Normal Distribution

Outliers, Quartiles; Binomial Distribution; Central Limit Theorem; Manipulating Normal Distribution

### Lesson 5: Inference

Confidence intervals; Hypothesis Testing

### Lesson 6: Regression

Linear regression; correlation

Sebastian Thrun

## Reviews for Udacity's Intro to Statistics 3.5 Based on 35 reviews

• 5 stars 37%
• 4 stars 20%
• 3 stars 11%
• 2 stars 17%
• 1 stars 14%

Did you take this course? Share your experience with other students.

• 1
Danya L
2.0 4 years ago
completed this course, spending 25 hours a week on it and found the course difficulty to be medium.
There were some irregularities that made the course very hard to follow for a beginner. For instance, there were different versions of some formulae that were used in different contexts, with no explanation as to why or which one should use when. It seemed like maybe the instructor glossed over some concepts in order to avoid boring the students, but at the end it just made the material incomprehensible. Math is supposed to be dry, so I guess my critique is that this class wasn't dry enough so the lessons were essentially useless.
20 people found
Anonymous
5.0 6 years ago
completed this course.
Exceptional teaching! Professor Thrun is the BEST teacher I've had in my life. Engaging, bright lectures, relevant homework assignments. The first (and so far the only one) MOOC where by the time of the assignments I remembered all material and didn't have to go back to the videos for references. I took the first offering of the course. There were few bugs in the grader, that are fixed now. They also added new lessons. I really recommend this course to learn the basic statistics.
14 people found
Apostolos K
2.0 5 years ago
is taking this course right now, spending 2 hours a week on it and found the course difficulty to be hard.
Interesting concept, but not executed well. I actually got half way through (or was it 1/3?) before I decided to call it quits. The initial videos were pretty OK, but as we progressed it felt that I missed something, as if there were missing videos that clued me into their methodology
17 people found
Anonymous
5.0 6 years ago
completed this course.
Very good class. The material is a great preparation for Statistics 101 or for just becoming literate in probability and statistics concepts. The instructor explains concepts very thoroughly, with love. Questions/answers are interspersed in the lectures, a very effective teaching strategy. Especially high school students would gain considerably by taking this course.
9 people found
Anonymous
3.0 6 years ago
completed this course.
This was a good introductory course. While it did not perhaps cover the full range of topics found in a college level stats intro course, it does show the student that introductory statistics does not require any high level math. The end result will be a very serviceable and usable knowledge of basic statistics.
11 people found
Anonymous
5.0 6 years ago
completed this course.
This is the best class I've taken! It had just right amount of information, challenge, and engagement for me! Thank you Sebastian Thrun! Highly recommend it to anybody who wants/needs to take Statistics 101 or maybe just curious about probability of rain at your place or what door to choose at Let's Make a Deal :)
6 people found
Kevin M
2.0 a year ago
by is taking this course right now, spending 5 hours a week on it and found the course difficulty to be hard.
This class has a ton of good info but is deeply flawed. The pacing between videos and quizzes is terrible in the early section with some videos consisting of :08 snippets that simply have the instructor saying "Great, you got it right" which could have easily been combined with the following video that introduces the next topic or quiz. You can almost see them struggling to figure out how to make an online class.

While some sections are paced far too slowly, others rocket ahead without even preparing the students for the concepts they quiz you on. For math or computer science students, I'd imagine this course would drag and then suddenly become more what they're used to. For everyone else, avoid.
Anonymous
1.0 3 months ago
completed this course.
Instructor gave only partial information before a quiz. The square foot cost per house was a constant across all houses. In real life the square foot cost per house will vary. It's fine to make the cost per square foot a constant number but for the love of baby Jesus tell us that is a condition.

This was after another example where 1/2 of all people are type A with 80 friends and 1/2 of all people are type B with 20 friends. Later on it is "Assumed" that all 80 friends of a type A person are also type A. This is fine just tell us in advance that this is the case, otherwise the g…
Anonymous
2.0 2 years ago
is taking this course right now.
Some of the videos (example in the Central Limit Theorem) are not clearly explained. The Teaching Assistant does not explain the concepts or even ask the questions using accurate language. The forums are sparsely populated with meaningful answers.
Lukas T
5.0 4 years ago
by completed this course and found the course difficulty to be medium.
Very nice class. While Coursera does have Ng's Machine Learning, Udacity does have this Statistics class as one of the first. I can only recommend.
3 people found
Anonymous
1.0 11 months ago
completed this course.
The instructor is clueless on how to teach. Have great skill to make things more complicated than necessary. I would not recommend taking this class. Avoid this class!
Anthony A
4.0 3 years ago
by completed this course.
The course is great. Take it before moving to Artificial Intelligence . You may need to better understand 'statistics' first in order to complete it.

Many thanx to authors!
0 person found
Anonymous
2.0 a year ago
completed this course.
Context: I've just finished problem set 5 on inference.

Some of the concepts could be better explained. Some of the formulas used shift throughout the course or are inaccurate. Some of the problem sets appear to use techniques that are not introduced in the main course material. :(
Anonymous
1.0 2 months ago
completed this course.
If you are looking for clear and in-depth explanations, this is definitely not the course for you. Some of the lessons are simply useless.
Sylvia A
5.0 7 months ago
by completed this course, spending 4 hours a week on it and found the course difficulty to be medium.
It's a very good course for beginners and even for intermediate students. It gives us very accurate methods to solve the staticians problems.
Sandra W
1.0 3 years ago
by is taking this course right now.
1 person found
Liviu L
4.0 3 years ago
by completed this course.
0 person found
B P
1.0 3 years ago
by completed this course.
1 person found
Jorge P
4.0 3 years ago
by completed this course.
1 person found
Mauro L
4.0 3 years ago
by completed this course.
0 person found