We have added a new interface to help you edit questions easily, with just a single click of a button. Most importantly, with this new interface, all your question stats are retained even if you edit questions. Also, you can always delete & add question again to do a full reset of stats. Our old interface (shown below) used to lead stats to reset. We have overcome the issue by adding a new user interface over edit questions interface. To get started with our new interface, learn some excellent tips on how to create awesome practice quizzes. This is the old interface:
This is the new interface, with which you can now edit and save questions in a simple & easy manner. Create a quiz, now to start using this new interface.