Course record STAT

STAT 311

— INTRODUCTION TO THEORY AND METHODS OF MATHEMATICAL STATISTICS I

University of Wisconsin-Madison

5,546 grades88 sections42 professors
Grades: 2006–2025
Flunk Score9/100
Needs work

Professors 42 of 42

Zhongjie Yu 69 grades · 1 term · 2020 3.98GPA
98.6% A
1.4% B
0.0% C
0.0% D
0.0% F

69 letter grades · 1 section · 2020

Compare with the course
Yu vs. the course average
A +53.5
B −36.3
C −13.7
D −2.4
F −1.1

Difference in percentage points.

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Yongsu Lee 72 grades · 1 term · 2020 3.96GPA
97.2% A
2.8% B
0.0% C
0.0% D
0.0% F

72 letter grades · 1 section · 2020

Compare with the course
Lee vs. the course average
A +52.2
B −34.9
C −13.7
D −2.4
F −1.1

Difference in percentage points.

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Muhong Gao 88 grades · 1 term · 2020 3.94GPA
94.3% A
5.7% B
0.0% C
0.0% D
0.0% F

88 letter grades · 1 section · 2020

Compare with the course
Gao vs. the course average
A +49.3
B −32.0
C −13.7
D −2.4
F −1.1

Difference in percentage points.

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Michael Iltis 140 grades · 1 term · 2020 3.94GPA
95.0% A
4.3% B
0.7% C
0.0% D
0.0% F

140 letter grades · 2 sections · 2020

Compare with the course
Iltis vs. the course average
A +49.9
B −33.4
C −13.0
D −2.4
F −1.1

Difference in percentage points.

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Nimal Wickremasinghe 139 grades · 2 terms · 2024 3.71GPA
74.8% A
22.3% B
2.9% C
0.0% D
0.0% F

139 letter grades · 2 sections · 2024

Compare with the course
Wickremasinghe vs. the course average
A +29.8
B −15.4
C −10.8
D −2.4
F −1.1

Difference in percentage points.

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Duzhe Wang 55 grades · 1 term · 2017 3.48GPA
63.6% A
27.3% B
5.5% C
1.8% D
1.8% F

55 letter grades · 1 section · 2017

Compare with the course
Wang vs. the course average
A +18.6
B −10.4
C −8.3
D −0.6
F +0.7

Difference in percentage points.

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Fan Yang 100 grades · 2 terms · 2012–2013 3.48GPA
52.0% A
45.0% B
3.0% C
0.0% D
0.0% F

100 letter grades · 2 sections · 2012–2013

Compare with the course
Yang vs. the course average
A +6.9
B +7.3
C −10.7
D −2.4
F −1.1

Difference in percentage points.

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Josep Ginebra 116 grades · 2 terms · 2010–2011 3.38GPA
50.0% A
38.8% B
11.2% C
0.0% D
0.0% F

116 letter grades · 2 sections · 2010–2011

Compare with the course
Ginebra vs. the course average
A +4.9
B +1.1
C −2.5
D −2.4
F −1.1

Difference in percentage points.

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Gonzalo Contador 146 grades · 2 terms · 2016–2018 3.33GPA
52.1% A
34.9% B
8.9% C
2.7% D
1.4% F

146 letter grades · 2 sections · 2016–2018

Compare with the course
Contador vs. the course average
A +7.0
B −2.8
C −4.8
D +0.3
F +0.3

Difference in percentage points.

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Xiao Guo 138 grades · 3 terms · 2013–2015 3.32GPA
44.2% A
47.1% B
7.2% C
0.7% D
0.7% F

138 letter grades · 3 sections · 2013–2015

Compare with the course
Guo vs. the course average
A −0.9
B +9.4
C −6.5
D −1.7
F −0.4

Difference in percentage points.

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August Jensen 309 grades · 4 terms · 2017–2019 3.30GPA
44.3% A
43.4% B
10.7% C
1.3% D
0.3% F

309 letter grades · 4 sections · 2017–2019

Compare with the course
Jensen vs. the course average
A −0.7
B +5.7
C −3.0
D −1.1
F −0.8

Difference in percentage points.

Each term against the course average
Fall 2017Spring 2019
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Diana Powers 71 grades · 1 term · 2023 3.30GPA
52.1% A
31.0% B
12.7% C
4.2% D
0.0% F

71 letter grades · 1 section · 2023

Compare with the course
Powers vs. the course average
A +7.1
B −6.7
C −1.0
D +1.8
F −1.1

Difference in percentage points.

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Matthew Bloss 70 grades · 1 term · 2025 3.28GPA
45.7% A
40.0% B
11.4% C
2.9% D
0.0% F

70 letter grades · 1 section · 2025

Compare with the course
Bloss vs. the course average
A +0.7
B +2.3
C −2.3
D +0.4
F −1.1

Difference in percentage points.

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Chenyang Jiang 138 grades · 2 terms · 2021–2022 3.27GPA
42.0% A
44.9% B
10.9% C
2.2% D
0.0% F

138 letter grades · 2 sections · 2021–2022

Compare with the course
Jiang vs. the course average
A −3.0
B +7.2
C −2.9
D −0.2
F −1.1

Difference in percentage points.

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Rahul Mahajan 37 grades · 1 term · 2021 3.26GPA
45.9% A
37.8% B
13.5% C
2.7% D
0.0% F

37 letter grades · 1 section · 2021

Compare with the course
Mahajan vs. the course average
A +0.9
B +0.1
C −0.2
D +0.3
F −1.1

Difference in percentage points.

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Bikram Karmakar 65 grades · 1 term · 2025 3.25GPA
44.6% A
38.5% B
15.4% C
1.5% D
0.0% F

65 letter grades · 1 section · 2025

Compare with the course
Karmakar vs. the course average
A −0.4
B +0.8
C +1.7
D −0.9
F −1.1

Difference in percentage points.

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Zhengjun Zhang 325 grades · 4 terms · 2008–2011 3.25GPA
43.7% A
40.9% B
12.6% C
2.8% D
0.0% F

325 letter grades · 5 sections · 2008–2011

Compare with the course
Zhang vs. the course average
A −1.4
B +3.2
C −1.1
D +0.4
F −1.1

Difference in percentage points.

Each term against the course average
Fall 2008Spring 2011
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Xinta Yang 136 grades · 2 terms · 2023–2024 3.24GPA
47.8% A
33.8% B
14.7% C
2.9% D
0.7% F

136 letter grades · 2 sections · 2023–2024

Compare with the course
Yang vs. the course average
A +2.7
B −3.9
C +1.0
D +0.5
F −0.4

Difference in percentage points.

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Yaoguo Xie 153 grades · 3 terms · 2014–2015 3.23GPA
43.8% A
40.5% B
12.4% C
2.0% D
1.3% F

153 letter grades · 3 sections · 2014–2015

Compare with the course
Xie vs. the course average
A −1.3
B +2.8
C −1.3
D −0.5
F +0.2

Difference in percentage points.

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Chen Cheng 96 grades · 2 terms · 2014–2015 3.22GPA
43.8% A
40.6% B
11.5% C
3.1% D
1.0% F

96 letter grades · 2 sections · 2014–2015

Compare with the course
Cheng vs. the course average
A −1.3
B +2.9
C −2.3
D +0.7
F −0.1

Difference in percentage points.

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Yanbo Shen 69 grades · 1 term · 2022 3.21GPA
39.1% A
50.7% B
5.8% C
1.4% D
2.9% F

69 letter grades · 1 section · 2022

Compare with the course
Shen vs. the course average
A −5.9
B +13.0
C −7.9
D −1.0
F +1.8

Difference in percentage points.

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Caitlyn Yin 61 grades · 1 term · 2025 3.20GPA
41.0% A
42.6% B
14.8% C
0.0% D
1.6% F

61 letter grades · 1 section · 2025

Compare with the course
Yin vs. the course average
A −4.1
B +4.9
C +1.0
D −2.4
F +0.5

Difference in percentage points.

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Joowon Lee 69 grades · 1 term · 2025 3.20GPA
37.7% A
47.8% B
13.0% C
1.4% D
0.0% F

69 letter grades · 1 section · 2025

Compare with the course
Lee vs. the course average
A −7.4
B +10.1
C −0.7
D −1.0
F −1.1

Difference in percentage points.

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Quefeng Li 70 grades · 1 term · 2011 3.20GPA
38.6% A
47.1% B
11.4% C
2.9% D
0.0% F

70 letter grades · 1 section · 2011

Compare with the course
Li vs. the course average
A −6.5
B +9.4
C −2.3
D +0.4
F −1.1

Difference in percentage points.

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Zhang Chunming 67 grades · 1 term · 2009 3.19GPA
43.3% A
38.8% B
13.4% C
3.0% D
1.5% F

67 letter grades · 1 section · 2009

Compare with the course
Chunming vs. the course average
A −1.8
B +1.1
C −0.3
D +0.6
F +0.4

Difference in percentage points.

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Ismor Fischer 762 grades · 8 terms · 2015–2019 3.19GPA
44.1% A
37.7% B
13.9% C
2.1% D
2.2% F

762 letter grades · 11 sections · 2015–2019

Compare with the course
Fischer vs. the course average
A −1.0
B same
C +0.2
D −0.3
F +1.1

Difference in percentage points.

Each term against the course average
Fall 2015Fall 2019
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Jialuo Li 124 grades · 1 term · 2023 3.19GPA
46.8% A
33.9% B
12.1% C
6.5% D
0.8% F

124 letter grades · 2 sections · 2023

Compare with the course
Li vs. the course average
A +1.7
B −3.8
C −1.6
D +4.0
F −0.3

Difference in percentage points.

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Brian Powers 139 grades · 1 term · 2022 3.18GPA
43.2% A
39.6% B
12.9% C
2.2% D
2.2% F

139 letter grades · 2 sections · 2022

Compare with the course
Powers vs. the course average
A −1.9
B +1.9
C −0.8
D −0.3
F +1.1

Difference in percentage points.

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Albert Dorador Chalar 68 grades · 1 term · 2021 3.18GPA
48.5% A
30.9% B
11.8% C
7.4% D
1.5% F

68 letter grades · 1 section · 2021

Compare with the course
Chalar vs. the course average
A +3.5
B −6.8
C −2.0
D +4.9
F +0.4

Difference in percentage points.

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Xiaobin Zhou 72 grades · 1 term · 2024 3.13GPA
34.7% A
48.6% B
12.5% C
4.2% D
0.0% F

72 letter grades · 1 section · 2024

Compare with the course
Zhou vs. the course average
A −10.3
B +10.9
C −1.2
D +1.8
F −1.1

Difference in percentage points.

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Donald Robert Porter 46 grades · 1 term · 2013 3.12GPA
34.8% A
43.5% B
21.7% C
0.0% D
0.0% F

46 letter grades · 1 section · 2013

Compare with the course
Porter vs. the course average
A −10.3
B +5.8
C +8.0
D −2.4
F −1.1

Difference in percentage points.

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Haoqun Cao 69 grades · 1 term · 2025 3.09GPA
27.5% A
58.0% B
11.6% C
2.9% D
0.0% F

69 letter grades · 1 section · 2025

Compare with the course
Cao vs. the course average
A −17.5
B +20.3
C −2.1
D +0.5
F −1.1

Difference in percentage points.

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Karl Rohe 258 grades · 4 terms · 2011–2014 3.05GPA
34.5% A
43.4% B
17.1% C
3.1% D
1.9% F

258 letter grades · 5 sections · 2011–2014

Compare with the course
Rohe vs. the course average
A −10.6
B +5.7
C +3.3
D +0.7
F +0.8

Difference in percentage points.

Each term against the course average
Fall 2011Spring 2014
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Bo Yang 546 grades · 7 terms · 2016–2025 3.02GPA
33.9% A
40.8% B
21.2% C
2.6% D
1.5% F

546 letter grades · 8 sections · 2016–2025

Compare with the course
Yang vs. the course average
A −11.2
B +3.1
C +7.5
D +0.1
F +0.4

Difference in percentage points.

Each term against the course average
Spring 2016Spring 2025
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Krishnakumar Balasubramanian 40 grades · 1 term · 2014 3.00GPA
40.0% A
32.5% B
22.5% C
0.0% D
5.0% F

40 letter grades · 1 section · 2014

Compare with the course
Balasubramanian vs. the course average
A −5.1
B −5.2
C +8.8
D −2.4
F +3.9

Difference in percentage points.

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Tun Lee Ng 56 grades · 1 term · 2017 2.94GPA
23.2% A
51.8% B
23.2% C
0.0% D
1.8% F

56 letter grades · 1 section · 2017

Compare with the course
Ng vs. the course average
A −21.8
B +14.1
C +9.5
D −2.4
F +0.7

Difference in percentage points.

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Keran Chen 66 grades · 1 term · 2023 2.92GPA
31.8% A
37.9% B
22.7% C
6.1% D
1.5% F

66 letter grades · 1 section · 2023

Compare with the course
Chen vs. the course average
A −13.2
B +0.2
C +9.0
D +3.6
F +0.4

Difference in percentage points.

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Yazhen Wang 94 grades · 1 term · 2010 2.90GPA
31.9% A
34.0% B
26.6% C
7.4% D
0.0% F

94 letter grades · 1 section · 2010

Compare with the course
Wang vs. the course average
A −13.1
B −3.7
C +12.9
D +5.0
F −1.1

Difference in percentage points.

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Jungwon Mun 39 grades · 1 term · 2006 2.90GPA
25.6% A
51.3% B
15.4% C
5.1% D
2.6% F

39 letter grades · 1 section · 2006

Compare with the course
Mun vs. the course average
A −19.4
B +13.6
C +1.7
D +2.7
F +1.5

Difference in percentage points.

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Richard A. Johnson 134 grades · 2 terms · 2007 2.85GPA
26.9% A
40.3% B
26.9% C
3.0% D
3.0% F

134 letter grades · 2 sections · 2007

Compare with the course
Johnson vs. the course average
A −18.2
B +2.6
C +13.1
D +0.6
F +1.9

Difference in percentage points.

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Thomas G Kurtz 130 grades · 3 terms · 2006–2008 2.81GPA
23.1% A
40.8% B
32.3% C
2.3% D
1.5% F

130 letter grades · 3 sections · 2006–2008

Compare with the course
Kurtz vs. the course average
A −22.0
B +3.1
C +18.6
D −0.1
F +0.4

Difference in percentage points.

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Derek Bean 104 grades · 2 terms · 2019–2023 2.73GPA
21.2% A
44.2% B
23.1% C
9.6% D
1.9% F

104 letter grades · 2 sections · 2019–2023

Compare with the course
Bean vs. the course average
A −23.9
B +6.5
C +9.4
D +7.2
F +0.8

Difference in percentage points.

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