Final grading summary
Intro to Proof: Fall 2021
This document contains information about
- How to compute your letter grade
- Statistics on
overall grade for the whole class
- Copy of final exam, with solutions &
grading notes
1. How your letter
grade was computed
Here is a recap of the grading distribution as stated in
the
syllabus:
Quizzes & Classwork = 30%
Writing portfolio = 15%
Homework = 15%
Midterm exam = 20%
Final exam = 20%
Your complete grades for all the assessed items are
currently on Moodle. The category weights on Moodle
are also current, and reflect the grading distribution
shown above.
The "Course total" percentage shown in
Moodle is your final overall average grade.
Your overall grade includes all the assessed items in
the course. We had 8 items in the Quizzes &
Classwork category; 9 items in the Homework category;
3 Writing portfolios; 1 Midterm exam; and the final exam.
Two lowest grades were dropped from the Quizzes &
Classwork category, and 1 lowest grade from the Homework
category.
Here is how to calculate your overall grade:
(Add top 6 Quizzes & Classwork)\(\times \frac{30}{30}\) +
(Add top 8 homeworks)\(\times \frac{15}{160}\) +
(Add 3 Writing portfolios) \(\times \frac{15}{30} \) +
(Midterm exam)
\(\times \frac{20}{34}\) +
(Final exam)\(\times \frac{20}{50}\)
This number is your overall grade (on 100%).
[If you want to understand this formula, for each category
the numerator is the percentage weight, and denominator is
total possible points. Recall: we counted 6 Quizzes &
Classwork worth 5 points each (6\(\times\)5=30);
8 homeworks
worth 20 points each (8\(\times\)20=160); 3 Writing portfolios
worth 10 points (3\(\times\)10=30); etc. So, if you made
full credit
on every item in the course, your overall grade would be
exactly 100%.]
2. Statistics on
overall grade for the whole class
NOTE: The size of this class was 6 students,
which is way too small
to meaningfully interpret any class statistics. But they
are here for your reference anyway.
The following summary statistics are based on
the final overall grade of all students in the class:
- Median=82.8%, IQR=12.7%, mean=79.5%, SD=10.9%
Actual letter grades were assigned based on the following
boundaries (written in standard open/closed interval notation):
A+ = [91, 100];
A = [87, 91);
A- = [83, 87)
B+ = [79, 83);
B = [75, 79);
B- = [71, 75)
C+ = [67, 71);
C = [63, 67);
C- = [59, 63)
D+ = [55, 59);
D = [51, 55);
D- = [47, 51)
For example, a student whose overall grade is 82.97%
would make a grade of B+. I do not round
up (or down) -- for example, 82.97% doesn't
become 83%, it stays 82.97%.
Distribution of letter
grades
Grade | # of students |
Relative freq (%) |
A+, A, A- | 3 | 50 |
B+, B, B- | 2 | 33.3 |
C+, C, C- | 1 | 16.7 |
D, F | 0 | 0 |
|
3. Copy of
final exam, with solutions & grading notes
It
available here
|