Extremely easy. TAs literally give you the lab answer keys.

Professor Cha is so nice and cares so much about the students in her class. Don't be afraid to ask her questions before or after class or in office hours. Her slides had so much information on them, making it super easy to study for the exams. The only criticism I have is that there was a lot of busy work in the class, especially the worksheets in discussion section.

I took AP Stats in high school but took this class for GE and found it to be very easy. The grading is:

4% participation- with iClicker; as long as you answer at least one question during each lecture (doesn't even have to be correct) then you're good, and you can miss up to one class. If you get Reef, you don't even have to go to lecture.

20% online quizzes- on CCLE, a few easy multiple choice questions assigned every Friday, due on Sunday. Drop lowest two scores as well

16% labs- There's 5 labs (about one due every two weeks), lowest grade is dropped. You'll have to get a $6 course reader from the campus bookstore. You can either go to your TA's lab session every week, or you can do it on your own time if you download the Fathom software (it costs $5 to rent for a year). As long as you read the instructions in the course reader/lab manual, you can fully complete the labs by yourself; they're very straightforward.

60% exams, 30% each- There's midterms weeks 5 and 10, and the material is not cumulative. They're 25-30 multiple choice and I aced both of them. She lets you bring a one-sided formula sheet as long as it's handwritten. Also, you can use any calculator you want. That means if you have a TI-84 and know how to use the DISTR and STAT menus, you barely have to do any work at all; you can have the calculator do the z- and t-tests or normal/binomial distribution stuff for you. If you got a 5 on AP Stats these should be a breeze.

Overall, during lecture she was pretty clear and she posted her lecture slides in advance every week. She 'recommends' you get the textbook "Essential Statistics: Exploring the World Through Data, Second Edition" by Gould, Ryan and Wong but it's not necessary at all; her slides cover everything and have plenty of examples.

First off you can easily get an A in the class if you go over all her lecture slides and listen to her midterm/final review. Professor Cha is my favorite professor in the Stats department, due to the fact that her slides are extremely organized and she puts a lot of effort in giving you the material you need to succeed in the class whether it is r code examples, slides, and textbook resources. I messed up on two of the homework assignments due to my own mistakes, yet the homework assignments tended to be fair. She is also extremely approachable, and although the group project was a decent amount of work she grades it fairly leniently. Overall, I recommend Maria Cha over any professor for 101a, 101b, and hopefully one day she'll teach 101c.

Professor Cha was possibly the sweetest professor I have ever met. She deeply cares about everyone's well being both mentally and academically. I have never taken a stats class before and I thought that this class was extremely easy! The first midterm is extremely easy, I messed up on it because I didn't read some of the questions carefully, but still thought that a 100% is extremely attainable. the quizzes are online and you can use your notes, I didn't because I wanted to know what I needed to learn more of, and the final was also easy there were just a couple tricky questions. A few people said that they though her accent was hard to understand, but i had no issue understanding everything clearly. I would take this class again just because I literally love her!!!!
my grade breakdown went like this, just for reference:
Midterm 1: 80%
Overall Quiz: 92%
Overall Lab:90%
Final: 82%
Overall Grad: B+

If you have taken stats before, this class is really pretty easy. If you haven't, it may be a little tougher, but not too bad. The lectures are fine although kinda boring, but Professor Cha posts the slides online so you can always review examples, etc. For the lab assignments, the TA basically walks you through every step, and you should rarely have to do more than a few minutes of work outside of class on it. There are online quizzes as well, but if you went to lecture and took good notes they shouldn't be hard. There is also a section separate from lab that is helpful for working through example problems.

Stats 10 is very easy and straightforward if you pay attention and put in some effort. Both the final and the midterm are multiple choice and you must submit about 5 labs throughout the quarter. The labs can usually be finished during discussion and the TA usually helped us. Although attendance isn't mandatory, it is part of your grade. Prof Cha uses clicker questions throughout her lectures in order to mark attendance. Prof Cha is not the best at explaining, but you can basically learn everything you need from the slides. If you're going to take stats 10, I would recommend taking it with her.

Easy class, just a lot of busy work. Cha is clear but the textbook can be helpful to supplement her teaching.

I’m selling the pdf of the STATS 10 textbook for cheap.
If interested, hmu:
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Selling PDF Textbook (useful for review, lab, & exams):
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If you took statistics in high school this is very similar to that, probably easier. Cha is a really good professor and the material isn't that hard to comprehend, as long as you just go over your notes and study for the midterm and final. Discussions aren't mandatory, but if you want help on the labs every week then take advantage of it. There are also quizzes every week but they're easy as long as you went to lecture or took notes from the textbook. The midterm was very easy and the final was pretty hard but there is a very generous curve. If you want something not that challenging and it's a prereq for your major, I highly recommend this class.