All questions are to be handed in at that time. Add to your answer. Redo - something's wrong and needs correction. Do not erase your original work, just draw a line through incorrect work so it may still be read. Knowing what you did wrong is important.
Source is needed.
Please indicate the source of material. A - completed more than 1 standard deviation above the mean number of questions completed by the entire class. F - completed fewer than 1 standard deviation below the mean number of questions completed by the entire class.