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Purdue grade distribution

IET 31600: Statistical Quality Control

54% of the 99 students who finished IET 31600 at Purdue got an A or B, across 5 sections and 2 instructors.

A 16%B 37%C 31%D/F 15%W 7%

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By instructor, easiest first

InstructorGrades givenStudents
Parker, Thomas G.
1 section · last Spring 2026
35% A · 40% B · 20% C · 5% D/F
20
Stephens, Matthew P.
4 sections · last Spring 2025
11% A · 37% B · 34% C · 18% D/F
79

Instructors with at least 20 graded students. Past grades don't guarantee future ones.

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Source: grade distributions published by Purdue. All Purdue grade distributions · IET 31600 sections, times and prerequisites.