The following information reflects what is new in the edX Platform as of 9 April 2015.
Course teams can now use edX Insights to access student performance data for both graded and ungraded exercises. The number of students who submitted an answer, and the percentage who submitted the correct or incorrect answer, is available at the section, subsection, and unit level. The actual answers that students submit for each ungraded question are also available for review.
For more information, see the new Ungraded Problem Submissions section in the Using edX Insights guide.