Three numbers go here every month, good or bad.
How many questions were reported and confirmed wrong, out of how many answered. Every confirmed error is listed with what changed.
Each week a sample of marked answers is re-marked by a person. We publish how often the marker landed within 2 marks of the person, and how often the same answer marked twice landed within 1 mark.
Which syllabus areas students get right least often, from everyone's answers combined. Useful for deciding where to spend your time.
Nothing yet: the pilot has just started.