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IET 31600 — Purdue grade distribution
Statistical Quality Control
Fall 2020 – Spring 2026. 16 distinct course-period sections across 13 academic periods.
- Estimated Section GPA
- 2.31
- Student-weighted GPA
- 2.33
- Minimum students (estimated enrollments)
- 468
Historical grades are estimates, not a measure of teaching quality or a prediction of future outcomes. GPA excludes withdrawals and other non-letter grades. Section GPA averages section-row GPAs equally; student-weighted GPA pools letter-graded enrollment. Read the data source and methodology.
Grade distribution
| Grade | Estimated count |
|---|---|
| A | 57 |
| A- | 9 |
| A+ | 5 |
| B | 126 |
| B- | 12 |
| B+ | 13 |
| C | 104 |
| C- | 7 |
| C+ | 5 |
| D | 55 |
| D- | 8 |
| D+ | 9 |
| F | 35 |
| P | 1 |
| W | 22 |