(a) In question 19, give a title to the graph, using “as a function of.”
(b) If you participated in the study in question 19 and had been deprived of 5 hours of sleep, how many errors do you think you would make?
(c) If we tested all people in the world after 5 hours of sleep deprivation, how many errors do you think each would make?
(d) What symbol stands for your prediction in part c?