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STATS 201A · Dis 1A

Research Design, Sampling, and Analysis

Fall 2026Tang, B.4 units

dibs reads this section's seats hourly, like everything else, but it does not send alerts for graduate courses yet.

Seats, time, final and grades

Seats

Closed by the department.

28 enrolled enrolled. The department published this count and no capacity, so there is no share to fill.

Read 9 hours ago. The latest refresh is overdue. Seats and instructors may have changed since. Check the registrar before enrolling.

Its lecture reads closed by the department (28 enrolled): you attend both, so this seat is not one you can take while that holds. No waitlist listed.

Meets

W 10:00am-10:50am

This discussion only. You also attend Lec 1.

Final

Wed 9 Dec, 8:00am to 11:00am

One exam for the whole class, Los Angeles time.

Read 3 days ago.

Grades

3.71

Predicted GPA

Historical records across all instructors; 131 letter grades

dibs has seen this section open 3 times since 18 August. The last time was 24 September. 1 of those was a reading where the capacity figure moved and the enrolled count did not, so dibs could not tell whether a seat existed and did not send an alert.

Put this class on a board

A board is one quarter you are drafting, so it needs an account to live in. Signing in brings you straight back to this page, with this class still in front of you.

Before you can enroll

Registrar's Restrictions cell, read 31 hours ago: "Graduate Students".

From the registrar

For Statistics 10 through 186, enrolling on the wait list does not guarantee enrollment in the course. A place on the wait list only offers a chance to add the course if enrolled students drop the course.

Restrictions read 31 hours ago.

When it meets

This discussion and its linked lecture.

Mon
Tue
Wed
Thu
Fri
10am
11am
12pm

Lec 1

11am-12:15pm

Dis 1A

10am-10:50am

Lec 1

11am-12:15pm

Scroll sideways for the whole week. All meeting times are listed below.

  • Dis 1A

    W 10:00am-10:50am

  • Lec 1 (required lecture)

    TR 11:00am-12:15pm

Boelter Hall 5440

Grades

3.71

Predicted GPA

Historical records across all instructors; 131 letter grades

2 people have taught STATS 201A in the grade record: XU, HONGQUAN at 3.68 over 100 grades and HAZLETT, CHAD J at 3.81 over 31 grades.

A range
79%
P/NP
0%
D/F/W
1.5%

Full grade history for STATS 201A

What students say

dibs measures outcomes: grades, seats, how fast it fills. For what the class is actually like to sit in, BruinWalk has the reviews.

What the work looks like

  • Exams mentioned, no number given, 1 mention in past reviews
  • Group works mentioned, no number given, 1 mention in past reviews

Based on 2 reviews; source checked 6 days ago. dibs counts only what a review actually states, so a kind of work nobody mentioned is absent rather than zero.

Will it still be here

Not a question any more: see the notice at the top of this page.

Final enrollment per term from four years of grade data. Summer excluded: different population, different pass structure.

  • 2921F
  • 3722F
  • 3223F
  • 1924F
  • 1525F
Enrollment by term: 21F 29, 22F 37, 23F 32, 24F 19, 25F 15

Peak 37 · most recent 25F at 15

Seats over time

Nothing read since 16 Oct, 9 hours ago. Over about 2 months before that, freed 2 seats.

3 times reopened
28 of 35 · no seats left
18 Aug 18:4017 Sep 04:0616 Oct 13:32 · 9 hours ago
Checked 168 of the 1203 hours with hourly history, 14%. No reading was recorded in 1035 hours. dibs had no hourly record before 27 Aug, which is the other 209 of 1412 plotted.28 of 35 enrolled at the newest reading, 9 hours ago, and no seats left. Seats from 18 Aug 18:40 to 16 Oct 13:32, 30 to 28. Checks are not continuous monitoring. Changes between checks may be missed.

A dot is a reading where something moved: the seat count, the status, or the waitlist. Flat between dots joins recorded counts; changes between reads may be missed. The line starts when dibs first saw this section rather than reaching back before it existed. The last one is the last time dibs read this section, moved or not, and that was 9 hours ago. It is where the line stops, not where the count is now.

Show the readings (23)
Recorded Enrolled Capacity Status Waitlist Hours read
16 Oct 13:32 28 0 closed by the department - 34 of 245
6 Oct 09:12 28 0 closed by the department - 4 of 20
5 Oct 14:44 29 0 closed by the department - 5 of 48
3 Oct 15:02 30 35 open - 8 of 51
1 Oct 13:52 31 35 open - 3 of 13
1 Oct 01:12 30 35 open - 7 of 34
29 Sep 16:42 32 35 open - 4 of 22
28 Sep 19:42 28 35 open - 9 of 50
26 Sep 18:52 31 35 open - 6 of 32
25 Sep 11:32 32 35 open - 4 of 15
24 Sep 21:42 33 35 open - 2 of 8
24 Sep 14:42 32 35 open - 2 of 8
24 Sep 07:42 34 35 open - 4 of 12
23 Sep 20:12 35 35 closed - 3 of 15
23 Sep 06:32 34 35 open - 3 of 12
22 Sep 19:42 33 35 open - 5 of 24
21 Sep 20:32 32 35 open - 8 of 54
19 Sep 15:42 31 35 open - 2 of 3
19 Sep 13:12 30 35 open - 17 of 117
14 Sep 17:02 31 35 open - 57 of 439
27 Aug 11:40 30 30 closed - 1 of 59, 58 no hourly record
25 Aug 01:40 29 30 open - no hourly record
18 Aug 18:40 30 30 closed - -
How readings and alerts work

Dated seat counts can be available even when hourly check history is missing. Gaps do not show whether seats changed between observations.

Seat counts show the last successful read, not live availability. Refreshes can be delayed by request limits or upstream interruptions. Watched sections receive priority, but an hourly update for every section is not guaranteed.

The registrar can change a seat count between our checks. Alerts depend on dibs detecting an opening and completing delivery; a quiet watch does not prove that no seat opened. Check the registrar before enrolling.

Class chat

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Dis 1A shares one room with Lec 1 and every other discussion under it, because that is what a student means by "my class".

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