Instructors can view cumulative statistics of assessment responses.
Go to Test & Quizzes.
Under the Published Copies tab, for the selected assessment, click Select Action / Scores.
This displays the Total Scores page.
Click Statistics.
This displays the assessment Statistics page.
View overall statistics.
The top part of the Statistics page displays information about the assessment as a whole (grade distribution / mean / median / mode and standard deviation).
View question statistics.
The bottom part of the Statistics page displays information about each assessment question (number of correct/incorrect responses).