A fishing derby is an invitation to catch fish with a large group of others. Data is collected on the largest fish participant catches. The weights recorded for each participant are: 11, 23, 19, 18, 16, 14, 17, 20, 17, 21, 15, 18, 17, 15, 17, 14, 19, 21, 20, 17, 16, and 15. a. Determine the three quartiles for the data set. b. How did the participant who recorded an 18-pound fish rank with respect to quartiles?