Answer:
Kayaking.
Step-by-step Explanation:
Central angle = (Number of campers for the activity / total number of campers) x 360 degrees, so:
1. Kayaking: (15/100) * 360 = 54 degrees
2. Wakeboarding: (11/100) * 360 = 39.6 degrees
3. Windsurfing: (7/100) * 360 = 25.2 degrees
4. Waterskiing: (13/100) * 360 = 46.8 degrees
5. Paddleboarding: (54/100) * 360 = 194.4 degrees