The midterm exam grades of an engineering course were used to create the following stem and leaf plot. What is the third quartile of these scores? Stem-and-leaf of grades N = 40 Leaf Unit = 1.0 А. 52 В. 73 C. 86 2 5 3 D. 93 4 5 26 6 1359 7 00338 8 01122335789 9 00111233445677899

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