Professor record STT

Haiyan Liu

Michigan State University

262 grades8 sections
Grades: 2018–2025
Flunk Score1/100
Needs work
STT 455 · Actuarial Models ISTT 455 · all instructors & syllabi

Grade record

STT 455 · 8 sections
Average GPA
2.39
Actuarial Models I
Across 262 grades in STT 455
50%
A or B
of 262 grades
24.4%
D, F or withdrew
26.7%
A
70
23.7%
B
62
25.2%
C
66
13.0%
D
34
11.5%
F
30
Shares of 262 letter grades · nobody withdrew
Against everyone else who teaches STT 455
−15% vs. the STT 455 average (2.81 across 4 professors)

How the averages compare

Against other STT classes, and against the university

  • 2.39STT 455
  • 3.16STT courses
  • 3.30School average
Average GPA · Zoomed GPA scale
Lower averageHigher average
Every term against the 2.39 average 7 terms
Fall 2018Fall 2025
8 sections · 7 terms · Fall 2018 – Fall 2025
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