3.1

Changbao Wu

Mathematics - University of Waterloo

3.1
Quality
3.0
Difficulty
54%
Would Retake
102
Reviews
3.1
Quality
3.0
Difficulty
3.0
Helpful
3.3
Clarity

54%

Would Retake

102

Reviews

Rating Distribution
Official
102 total ratings

5

35

4

19

3

10

2

12

1

26

What Students Say

I don't understand why there are so many bad comments on Prof Wu

STAT230 - 5.0 rating

Why is he teaching when he has no interest in the course

STAT454 - 1.0 rating
Class Info

Attendance Mandatory

7%

Textbook Required

63%

Grade Predictor

Your expected effort level

LowHigh

Predicted Grade

B+

92% confidence
Based on 14 grades
Most common grades:
A+ (5)
A (4)
Not sure yet (2)
Grade Distribution
A(9)B(2)C(1)D(0)F(1)A-/B+(1)
Based on 16 reported grades
A+: 5
A: 4
Not sure yet: 2
F: 1
Common Tags
Respected (3)
Inspirational (3)
Amazing lectures (3)
Hilarious (2)
Caring (2)
Tough Grader (1)
TEST HEAVY (1)
LECTURE HEAVY (1)
Rating Trend

Declining

-0.54 avg change
Apr
Apr
May
Jun
Apr
Aug
Last 6 months
Ratings by Course

STAT330

5.0

(1)

STAT854

5.0

(1)

STAT340

4.2

(6)

230330

4.0

(1)

STAT221

4.0

(1)
+10 more courses
Difficulty by Course

230330

4.0

STAT361

4.0

STAT854

4.0

STAT454

3.9

STAT311

3.7

Reviews (98)
5.0
3.0
STAT454
Sep 10, 2001

One of the best profs I've ever had!!!

3.0
3.0
STAT230
Nov 26, 2001

Sometimes hard to understand, but fairly good.

5.0
1.0
STAT230
Jan 14, 2002

i hated stat but he made it ok .. like a touch of an angel

1.0
3.0
STAT332
Feb 6, 2002

Seemed to think teaching a 3rd-year course meant he didn't have to give feedback

1.0
3.0
STAT332
Feb 8, 2002

Unwilling to answer students' questions, not a responsible prof

2.0
4.0
STAT332
Grade: A
Feb 8, 2002

No Comments

2.0
2.0
STAT332
Grade: A+
Feb 8, 2002

Best in playing around the class avg

4.0
4.0
230330
Feb 9, 2002

Good prof.

3.0
3.0
STAT230
Mar 13, 2002

Typical Mainland accent. Can still understand what he is saying so he is alright

5.0
3.0
STAT330
May 7, 2002

explains clearly, notes very organised, very easy in quizzes but final's nasty

4.0
2.0
STAT230
Jun 2, 2002

No Comments

2.0
4.0
STAT361
Jun 21, 2002

notes aren't clear, accent sometimes hard to understand, can't teach

1.0
5.0
STAT230
Aug 30, 2002

WORST PROF EVER. answered questions in chinese while the rest of us sat there...

2.0
2.0
STAT332
Dec 12, 2002

'You are all 3rd or 4th year students', thrfor i won't answer ur questions

3.0
4.0
STAT361
Apr 2, 2003

Good notes. Not approachable for help. He was in the worst mood by the end of the term and snapped at everyone!

2.0
5.0
STAT311
Aug 12, 2003

HHmmm....did he pass the toefl??? can't understand da chinaman (we don't all understand mandarin)

1.0
5.0
STAT311
Oct 15, 2003

WORST prof ever!!!! No one can understand his accent, plus he's rude when u ask questions. Doesn't seem like he cares. For those of you at UW, make sure you don't have him for any of your classes!!!!!

1.0
4.0
STAT311
Oct 23, 2003

"Our TAs are big, strong men from Africa". ****, rude, ignorant, and cocky. Teaches in a foreign language full of alphas and betas. Notes are useless. Storms immediately out of class everytime. Horrible.

1.0
3.0
STAT311
Oct 24, 2003

Why UW hires "profs" like this amazes me. In his words, "I can't speak English". He doesn't care about his students & he refuses to accept criticism. Taught for 16 yrs but it sure doesn't look like it. I'd drop the class if it were not

1.0
4.0
STAT311
Oct 27, 2003

He's the worst prof ever. The dude can't even speak English, and don't like to explain stuff. His class is just a waste of time, and make you confuse even more, why you're in accounting.

4.0
1.0
STAT332
Nov 18, 2003

This course is SO EASY. And he seems to me like he wants his students to do well, despite the other comments. He's apparently reworked his course. It's good now.

4.0
1.0
STAT311
Dec 2, 2003

Most people don't like him because they are too dumb to understand the course so they blame their own lack of intelligence on him. The ones who complain the hardest are the dumbest ones who just can't do math. Funny in a awkward and unintended way.

4.0
3.0
STAT221
Mar 12, 2004

tho alot of students don't like him as a prof, he is better than W.H cherry. He exlains the matierals in a way that we can understand. notes are helpful and the handout is useful for the ass't questions!

1.0
1.0
STATS
Sep 9, 2004

No Comments

1.0
5.0
STATS
Sep 11, 2004

No Comments

5.0
3.0
STATS
Oct 28, 2004

No Comments

4.0
1.0
STAT332
Dec 2, 2004

Awesome class, easiest stat course ever taken! Open book quizzes and exams! How can you beat that?

5.0
2.0
STAT
Feb 10, 2005

Best class ever!!!!!!!1

5.0
3.0
STAT
Feb 10, 2005

a great prof, makes stats so much easier!

5.0
2.0
STAT332
Feb 28, 2005

This prof is great! His English has improved a lot, and he really shows interest and enthusiasm in the material. His lectures make the course clear and easy, getting an A is no problem! He's very helpful outside lecture time too. He made me even wanna go for STAT grad! Wonderful learning experience!

5.0
2.0
STAT340
Mar 15, 2005

Seems to me that he loves the subject he's teaching so much. He explaines everything clearly, and know how to make people understand. Unlike prof's who only know how to write down notes on the board.

3.0
3.0
STAT340
Apr 19, 2005

Usually will understand material better if you have textbook as reference.Explains okay, a nice guy. level of assignment/midterm are decent, be cautious on final.

5.0
2.0
STAT340
Apr 20, 2005

really nice guy and great prof. he tried his best to make everything clear, i was worry about this course before i took it, but now i understand all the stuff and found simulation is really interesting topic.

3.0
2.0
STAT340
Apr 25, 2005

I must give this prof a very bad comment based on what he did to the finals! Our class average was originally high. Instead of giving us a hard final, he gave us a very easy exam, and decided to mark hard on it, which is rediculous and unfair.

1.0
5.0
STAT
Oct 8, 2005

No Comments

5.0
1.0
STAT230
Grade: A
Dec 3, 2005

This guy is a straight up G. Cool prof. Very lively lectures. Has an accent, but every one can handle it. Very good notes. But sometimes leaves important parts out that are sometimes on tests.

4.0
4.0
STAT230
Dec 13, 2005

Ok prof, tests covered everything not taught in class. No review at all for final material.

5.0
1.0
STAT230
Mar 24, 2006

nice prof!

5.0
1.0
STAT340
Jun 10, 2006

i was dreading taking this class, but i was surprised by how much i enjoyed it. very easy to do well just by doing all of the assignments. it's nice to see a prof who enjoys what he is teaching, and his english is definitely tolerable (especially compared to other actsci/stats profs)

4.0
3.0
STAT340
Aug 1, 2006

Good prof, but rarely available for extra help. Doesn't show up to scheduled office hours and seems a bit impatient when approached. Interesting course with a very difficult final.

3.0
4.0
STAT230
Sep 11, 2006

Wu was incredibly exciting to watch and listen to at lectures. He shows so much enthusiasm at lectures. He doesn't seem to answer questions properly, usually due to students not speaking loud enough. He is very funny! He teaches well and makes you more interested in the course. He also gives a lot of examples that are not in the course notes.

4.0
1.0
STAT230
Jan 29, 2007

Clear examples. Comes to class with no notes in his hand but still lectures well and shows he clearly knows his stuff. Has an accent but not hard to interpret.

5.0
2.0
STAT230
Feb 7, 2007

He lectures well and examples are very very helpful to the tests. Most students in his class get over 20 out of 24 on the test. Stat becomes easier in his class.

5.0
2.0
STAT331
Jan 9, 2008

really a good prof. in UW

1.0
5.0
STAT331
Apr 3, 2008

bad prof, not very helpful at all

5.0
3.0
STAT454
Apr 24, 2008

His notes are crucial, since the course doesn't follow the textbook. Also very important to do assignments. VERY helpful in office hours if you make the time to go. Not as helpful in class, doesn't seem like he understands student questions in class.

5.0
1.0
STAT331
May 7, 2008

a pretty good and nice prof., just take his course!!!!!!!

5.0
2.0
STAT230
Apr 27, 2009

~~~~~~~~~~~~~~~~~

5.0
1.0
STAT230
Mar 12, 2011

great prof. explains things clearly and understands the material extremely well. no accent as well.

5.0
2.0
STAT230
Mar 26, 2011

Nice prof!!! He makes STAT interesting and easy to understand. Not very much work to do outside class. Assignments are helpful.

3.0
4.0
STAT230
Apr 22, 2011

Nice guy, explains concepts very well in class. Makes you feel like all is good and straightforward. Then destroys you on midterms and the final.

5.0
2.0
STAT230
Dec 16, 2011

Really good prof. Explain all the concepts clear and give very useful examples. Not very easy. He makes the class very interesting!

4.0
1.0
STAT230
Dec 16, 2011

He is a good prof! easy marks and interesting course!

5.0
2.0
STAT230
Dec 17, 2011

Gives great examples during class and has helpful tutorials. I found the midterms very fair but the final had a lot of confusing and poorly worded questions. All in all good prof and interesting course

5.0
3.0
STAT230
Dec 23, 2011

Such a nice and adorable prof. He gives really useful examples in class. I went to his office hours during the final exam period, and he just sat down with me and led me through some of the practice problems I had trouble with. Couldn't have done as well on the final exam without his help =)

4.0
2.0
STAT230
Jan 23, 2012

A funny guy and an interesting course. He does good examples in class and his tutorials are mandatory, since he provides more examples in them. If you attend class and do the questions he assigns your are pretty much set for this course.

5.0
1.0
STAT230
Mar 25, 2012

Great prof!He makes STAT 230 interesting and easy to understand. I was engaged to his class. Exams are similar to the examples during class. I am glad I had him as my prof:)

4.0
2.0
STAT230
Apr 4, 2012

Easy class, do the end of chapter questions and go to class and your pretty well guaranteed a 90. He's a good prof, a little annoying when he randomly stops to yell at someone to stop talking.... in a class of 400.

5.0
1.0
STAT230
Apr 18, 2012

attending this class is extremely recommended.he gives very clear and helpful notes.90+ is guaranteed if you attend all the lectures+tutorials.

4.0
4.0
STAT230
Apr 25, 2012

He is professional! Based on what he told us, he started to become a prof at age 19.. WOW! And plus he teaches the material really well.. But one problem is, in my opinion, his exam is a little bit too hard... specially the last 2 questions on thie term final.. So, need to work hard on both tests and exam!

2.0
3.0
STAT230
May 5, 2012

his English is just awful. hard to reach, and WILL NOT the question u asked just because it may appear on the final. avoid his class as much as u can

3.0
4.0
STAT230
Jun 12, 2012

Don't listen to these other rating, even if you go to all the classes and pay attention it is not an easy 90.

3.0
5.0
STAT230
Jul 4, 2012

Does not answer questions and is very rude and laughs at you if you ask a question. Says classes are optional, but good lucking getting any marks on a final exam if you don't go.

4.0
2.0
STAT230
Jul 25, 2012

Do attend all his lectures and tutorials if you want get a really good mark! He is crystal clear in his explanations, although he is rude sometimes which does not undermine his overall quality.

5.0
2.0
STAT230
Oct 10, 2012

clear and detailed lectures and notes.very easy quizzes and ok final. a little bit rude sometimes. his accent is acceptable.good prof overall,perhaps the best for stat230

1.0
5.0
STAT230
Oct 23, 2013

Doesn't speak English. Teaches the material like nobody is listening.

1.0
5.0
STAT230
Dec 11, 2013

LOL> this prof writes his own comments. Just read some of them. People say that he has no accent, but that's so wrong, there is no way somebody would write that. Also, there are lots of comments that just say 'good' or 'great prof' and give him full ratings. After meeting him, you can tell right away that he is a snobby prof.

2.0
3.0
STAT230
Dec 12, 2013

Trying to ask questions for the content missed in lectures, and he was not providing any help at all.

2.0
4.0
STAT230
Dec 12, 2013

Changbao is a very unprofessional prof. He treats students like they're stupid, and shows no respect. Stat 230 is quite an easy course, and you should pass no problem, just if you take it, don't take it with this prof.

1.0
5.0
STAT230
Dec 13, 2013

Changbao is difficult to talk to during office hours: he will just laugh at you because he understands the problem and thinks it's easy, and doesn't want to help you.

2.0
4.0
STAT230
Dec 13, 2013

It's more useful to take the course online, than with this prof. The tests were easy, but then the final was nearly impossible. Most of the material wasn't taught in class -- or at least not in changbao's class.

4.0
3.0
STAT230
Dec 29, 2013

presents very intuitive explanations of probability, helpful if you haven't studied it before; useful examples (especially during his tutorials) and explains applications, and I found him quite personable for a math prof -- but he glanced over the theory and proofs which were heavily tested

1.0
5.0
STAT230
Grade: F
Jan 3, 2014

This guy doesn't know how to teach properly.

5.0
2.0
STAT230
Jan 6, 2014

He explained the concepts very clear and provided lots of examples. His accent is acceptable. I almost attended every lecture and got a good grade.

5.0
1.0
STAT230
Grade: A+
Feb 2, 2014

A good Prof,with acceptable accent, always provides good examples. Go to all the lectures and do the assigned problems then 90 is guaranteed. I think people say he's rude probably because he doesn't answer their questions in the class. I think he wants to teach as much as possible in the class and prefers students asking questions after class.

2.0
5.0
STAT454
Feb 6, 2014

He is a useless prof. He just writes formulas after formula without giving any examples. The course feels so theoretical even though sampling is VERY "applied stats". He is not clear when he talks and doesn't say why anything we are deriving is useful. In addition, he posts "solutions" to assignments online that say "solutions omitted".

1.0
5.0
STAT454
Mar 2, 2014

Useless prof. He doesn't explain why we're doing anything in class. He just writes a bunch of formulas with no motivation behind them. He laughs when you don't understand something.

4.0
4.0
STAT454
Mar 13, 2014

This course is heavy on theory, so it is quite challenging. However I think Prof. Wu introduces the theory very well. The application side is lacking, but the general idea in the course is very clear; you want to find the most efficient estimator. Prof. Wu has high expectations from students in STAT 454, so don't expect to walk into a bird course.

1.0
5.0
STAT230
Jul 20, 2014

He is very disrespectful to students.

3.0
3.0
STAT230
Oct 3, 2014

SUPER disrespectful to students. Minimal office hours. However, the plus points are that he is one of the better Stat 230 profs. His lectures are very clear and the examples that he uses often show up on midterms and finals. You just have to deal with his rudeness sometimes. Course notes are also good practice.

1.0
4.0
STAT450
Grade: B
Feb 27, 2015

He is the worst teacher I have ever met. He is disrespectful towards students. Very rude and useless. I went to his office hour and I said I didn't understand something from lecture. He told me probably i am slow because he has taught for many years and students cannot criticize him. I was shocked with his level of irrationality. He didn't help me

1.0
3.0
STAT454
Mar 6, 2015

Why is he teaching when he has no interest in the course? Why is he so rude with students? No respect for students yet he teaches them! Nobody dare to bring any issues to him. We have problem with the TAs but we are scared even more to talk with the instructor. He supports his TA no matter what and disrespect his students.

1.0
4.0
STAT450
Jun 2, 2015

He is simply the worst teacher in Waterloo. I confronted him with his mistakes and at the end he marked my paper separately and did all he could to give me a bad grade!!! How can somebody let such a person to teach??

5.0
4.0
STAT450
Grade: A+
Jul 7, 2015

His lectures are kind of hard to follow but office hour is very useful. He is indeed sometimes critical but I guess it's just a personality thing. He really knows the course material well. learned a LOT of stats in his course, such a rewarding experience.

1.0
5.0
STAT230
Nov 14, 2015

He is the single most disrespectful teacher I have met to this date. At the very least he should at least pretend to care.

5.0
3.0
STAT450
May 3, 2017
Would take again

Best professor ever! Maybe he has changed recently. I don't know about the review of him in the past, but now his attitude for work is very nice! His teaching is very logical and clear, with smile on his face! The exam is totally ok if you follow the notes and practice question.

1.0
1.0
STAT240
Grade: A
Jan 9, 2018
Wouldn't take again

First time teaching an advanced class. When asked, refused to teach usual extra material (measure theory). Refused to speed up lectures. Gave zeroes on midterm if your solution wasn't a memorized formula. Decided to each surprise extra material in last week of class, and then made it 30% of final exam. Average for the course was in 70%.

Tough Grader
TEST HEAVY
5.0
4.0
STAT230
Feb 10, 2018
Would take again

I don't understand why there are so many bad comments on Prof Wu. I am taking his STAT 230 this winter term and I think he is quite a good professor. Indeed he is kind of an old-school person, but that makes him cute and his jokes are quite hilarious. Also I think his explanation in class is very clear. And his accent is not a big problem.

Respected
Inspirational
Hilarious
2.0
3.0
STAT230
Feb 14, 2018
Wouldn't take again

Worst prof you can ever have!!!

4.0
3.0
STAT450
Mar 30, 2018
Would take again

I don't know why this prof has such low reviews. I didn't find him to be rude at all, in fact I think he really took the time to engage his students and show how passionate he is about stats. The material was quite technical but he took the time to explain proofs. Tests were deceptively easy though!

Respected
Inspirational
LECTURE HEAVY
5.0
3.0
STAT450
Grade: A+
Apr 4, 2018
Would take again

He is really great, very clear and interesting.

Respected
Hilarious
Amazing lectures
5.0
3.0
STAT230
Grade: Not sure yet
Apr 20, 2018
Would take again

Amazing prof. Really knowledgeable, he explains the concepts clearly and intuitively. He makes the stuff really straightforward and easy to understand. He likes to directly pull questions from his notes to exams. Definitely recommend.

Skip class? You won't pass.
Inspirational
Amazing lectures
5.0
3.0
STAT450
Grade: A+
Apr 21, 2018
Would take again

AMAZING professor! I don't know why his rating is so low. His teaching was very clear and I felt like I really learnt the material. Tests and exams are almost exclusively based on examples from lectures and practice problems and he gives bonus marks for STAT 450 students (when it's held with STAT 850). Two double-sided cheat sheets for the final.

Amazing lectures
Caring
2.0
5.0
STAT454
Grade: C
Apr 23, 2020
Wouldn't take again

I hate this course to be honest. The final project is hard and completely clueless. he never taught simulations or writing essays in class and he expects us to come up with our own paper on topics that is related to the materials but not taught by him. Also for the midterm, a lot of the solutions can not be found in his notes.

5.0
4.0
STAT854
Grade: A
May 15, 2020
Would take again

Prof. Wu is actually the statistical expertise in sampling theory. I love his teaching style. He will show you the theorems and conclusion before the class but the derivation proof will only be in class. He can explain everything in Sampling Theory clearly and logically. A very respected professor!

4.0
4.0
STAT454
Grade: B+
Jun 14, 2020
Wouldn't take again

I had 54 in my midterm, but the class average was 75. Thus nothing to complain. He doesn't really bother you with grading, but you need to follow the proofs he writes in class. Don't waste your time dealing with the extra questions on his course notes; rather review the assignments. Final project is okay as long as you start early and cite well.

Get ready to read
Caring
1.0
4.0
STAT454
Grade: Not sure yet
Apr 9, 2022

I was wondering why the reviews for this professor were bad, but he really is terrible. His grading criteria is absolute garbage and he will not give grades above 95. His reasoning: you are already a top student if you have 95, so don't worry. That reasoning is enough for him to reconsider his life decisions becoming a professor.

Tough grader
So many papers
Graded by few things
1.0
3.0
STAT454
Grade: B-
Aug 2, 2022

Poorly taught course. Poor communication and generally awful lectures. The course notes were far superior. Refuses to answer questions during the lecture and doesn't clarify things well when asked after the lecture is done. He did curve the end grade, but the lecturing experience was so abysmal I'd avoid him like the plague in future courses.

Class Info

Attendance Mandatory

7%

Textbook Required

63%

Grade Predictor

Your expected effort level

LowHigh

Predicted Grade

B+

92% confidence
Based on 14 grades
Most common grades:
A+ (5)
A (4)
Not sure yet (2)
Grade Distribution
A(9)B(2)C(1)D(0)F(1)A-/B+(1)
Based on 16 reported grades
A+: 5
A: 4
Not sure yet: 2
F: 1
Common Tags
Respected (3)
Inspirational (3)
Amazing lectures (3)
Hilarious (2)
Caring (2)
Tough Grader (1)
TEST HEAVY (1)
LECTURE HEAVY (1)
Rating Trend

Declining

-0.54 avg change
Apr
Apr
May
Jun
Apr
Aug
Last 6 months
Ratings by Course

STAT330

5.0

(1)

STAT854

5.0

(1)

STAT340

4.2

(6)

230330

4.0

(1)

STAT221

4.0

(1)
+10 more courses
Difficulty by Course

230330

4.0

STAT361

4.0

STAT854

4.0

STAT454

3.9

STAT311

3.7

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