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Distribution of sample mean and sample variance; t, chi-squared and F distributions; summarizing data by statistics and graphs; estimation theory for single samples: sufficiency, efficiency, consistency, method of moments, maximum likelihood; hypothesis testing: likelihood ratio test; confidence intervals.

Prerequisites: PSTAT 120A with a grade of C or better.

4

Units

Optional

Grading

1, 2

Passtime

None

Level Limit

Letters and science

College
Unlocks CMPSC 225 ECE 205 PSTAT 140 PSTAT 123 PSTAT 105 PSTAT 262MC
These majors only finms stsds actsc stsap stats amath math cmpsc cptcs cmpen
GRIGORIAN K
Karen GRIGORIAN
2.8
36 reviews
ILP 3105
M W
12:30 PM - 13:20 PM
7 / 25

ILP 4105
M W
14:00 PM - 14:50 PM
8 / 25

ILP 4105
M W
15:00 PM - 15:50 PM
1 / 25

ILP 3211
M W
16:00 PM - 16:50 PM
5 / 25

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PSTAT 120B Grigorian K Summer 2024 Total: 67
PSTAT 120B Abuzaid A H Spring 2025 Total: 56
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36
2.8
PSTAT120B . Grigorian K 1 Year, 23 Days Ago

Professor G is a great professor. He cares a lot and will give you a good grade if he sees you trying. In office hours before the final he basically gave us all the questions on the final. His grading is super lenient and he tries really hard to help where he can. Taking him again next quarter.

0 helpful 0 unhelpful
PSTAT120B . Grigorian K 1 Year, 2 Months Ago

Lets you bring 2 pages of notes to tests, EXTREMELY, extremely lenient grader, and releases practice problems the night before the exams that are basically exactly the same as the ones on tests. One of the greats, his classes are not fail-able, ignore what everyone says. Just show up to 2 classes: the midterm and final, and you'll pass I promise.

0 helpful 0 unhelpful
PSTAT120B . Grigorian K 1 Year, 2 Months Ago

Didn't know how to pace the course for Summer Session B, so we were told to attend two extra lectures at 7:45 PM during our finals week. High expectations for students' understanding while simultaneously leading disjointed, confusing lectures. Luckily, he's a very lenient grader. He's a good guy, but would avoid in future upper divs.

0 helpful 0 unhelpful
PSTAT120B . Grigorian K 1 Year, 2 Months Ago

Karen is a genuinely good person and although I don't always understand 100% of the lecture material, he always tries to make it more entertaining. Would take him again, but the class isn't easy.

0 helpful 0 unhelpful
PSTAT126 . Grigorian K 2 Months Ago

This was the worst class I have taken. Can be funny at times, but it doesn't make up for all the disorder and confusion. It's almost guaranteed that he loses track and forgets he is teaching a lecture. In my experience, my understanding and grade hinged off of the TA - exams were difficult and confusing. Participation is rewarded heavily. Good luck

0 helpful 0 unhelpful
PSTAT126 . Grigorian K 2 Months Ago

Prof Grigorian is very passionate and lighthearted with the classes he teaches and will often explore interesting concepts (outside of usual class scope) or applications related to the course content. Curves classes based on class difficulty and is very lenient with grading. Make sure to attend lectures and PARTICIPATE ALOT, and youll get an A

0 helpful 1 unhelpful
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