Professor record SIO
Mark A Merrifield
University of California-San Diego
6 sections
Grades: 2020–2026
Flunk Score—
Not enough comparison dataA reliable within-course grade or school-relative evaluation comparison is needed to score SIO 175.
SIO 175 · Analysis Ocean/Atmosph DataSIO 175 · all instructors & syllabi
Grade record
Average GPA
3.60
Analysis Ocean/Atmosph Data
Across 6 sections in SIO 175
94%
A or B
4.5%
D, F or withdrew
76.7%
A
17.3%
B
3.0%
C
0.7%
D
2.3%
F
1.5%
W
This school publishes shares, not head counts. The percentages are real. There is no student count to show.
No other professor is on record for SIO 175, so there is no course average to
measure against. i
How the averages compare
Against other SIO classes, and against the university
- 3.41School average
- 3.42SIO courses
- 3.60SIO 175
Average GPA · Zoomed GPA scale
Lower averageHigher average
Lower averageHigher average
Every term against the 3.60 average
6 terms
Fall 2020Winter 2026
6 sections · 6 terms · Fall 2020 – Winter 2026
Find a course or professor
Search helper · Uses this school’s records. Try “compare ECON 101” or a professor’s name.