Course record ASTRON

ASTRON 550

University of Wisconsin-Madison

565 grades17 sections5 professors
Grades: 2007–2025
Flunk Score14/100
Needs work

Professors 5 of 5

Jennifer Choy 59 grades · 2 terms · 2022–2023 3.73GPA
81.4% A
15.3% B
0.0% C
3.4% D
0.0% F

59 letter grades · 2 sections · 2022–2023

Compare with the course
Choy vs. the course average
A +30.9
B −21.0
C −11.0
D +1.6
F −0.5

Difference in percentage points.

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Gilbert Arthur Emmert 33 grades · 1 term · 2007 3.47GPA
48.5% A
51.5% B
0.0% C
0.0% D
0.0% F

33 letter grades · 1 section · 2007

Compare with the course
Emmert vs. the course average
A −2.0
B +15.2
C −11.0
D −1.8
F −0.5

Difference in percentage points.

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Suzannah Sandrik 270 grades · 8 terms · 2008–2016 3.46GPA
58.9% A
33.3% B
5.2% C
2.2% D
0.4% F

270 letter grades · 8 sections · 2008–2016

Compare with the course
Sandrik vs. the course average
A +8.4
B −2.9
C −5.8
D +0.5
F −0.2

Difference in percentage points.

Each term against the course average
Spring 2008Spring 2016
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Michael Sracic 68 grades · 2 terms · 2024–2025 3.37GPA
47.1% A
47.1% B
4.4% C
1.5% D
0.0% F

68 letter grades · 2 sections · 2024–2025

Compare with the course
Sracic vs. the course average
A −3.4
B +10.8
C −6.6
D −0.3
F −0.5

Difference in percentage points.

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Robert Witt 135 grades · 4 terms · 2017–2020 2.82GPA
22.2% A
42.2% B
33.3% C
0.7% D
1.5% F

135 letter grades · 4 sections · 2017–2020

Compare with the course
Witt vs. the course average
A −28.2
B +5.9
C +22.4
D −1.0
F +1.0

Difference in percentage points.

Each term against the course average
Spring 2017Spring 2020
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