Use the table and the data provided to analyze the following data.

During gym class, the pulse rate was recorded for 19 students before and after an exercise warm-up. The pulse rates are listed below.

Pulse Before Exercise	Pulse After Exercise
67	87
67	88
67	89
68	89
71	91
72	93
72	93
75	95
77	96
77	97
79	98
81	98
85	101
87	105
87	105
91	119
97	125
103	125
121	147

Compare and contrast the two data sets. Justify your answer using key features of the data (shape, outliers, center, and spread). (10 points)

Part C: Did exercise appear to have changed the pulse rates for the students? Justify answer using your comparisons from part B. (10 points)