The final exam scores of 18 students in Art History for segments 1 and 2 are listed below.


Segment 1 Segment 2
90 87
90 88
88 54
82 72
77 80
65 67
89 84
92 81
93 91
92 86
89 84
61 83
74 93
75 91
77 96
94 93
81 82
56 77

Part A: On your own paper, create a back-to-back stemplot. Submit a list of the stems you used in order from least to greatest. Justify your reasoning for split or nonsplit stems. (4 points)
Part B: Compare and contrast the two data sets. Justify your answer using key features of the data. (6 points)