Why is "Discrimination Index" blank in all my quizzes 2 quizzes lately?

tpaulson
Community Member

for the last few weeks all the questions in my quizzes 2 quizzes do not show a discrimination index in the report.  Last month every question in every quizzes 2 gave a Discrimination index.  Here is an example of what I see for every question regardless of question type.

Picture1.png

Labels (1)