The statistics dashboard will show you a breakdown of how many questions you have answered correctly or incorrectly in each subject and lesson. 

the You can further analyze each test you take by selecting “Test Analysis under statistics of each test.” This will provide graphs showing your progress in each subject and lesson. You will also see the number of times you changed your answer choice from correct to incorrect or incorrect to correct. Lastly, you may sort the questions from easy to difficult to see at what point you started answering incorrectly.