The following dataset represents the number of glass breakage occurring in one hour for 30 machines sorted and arranged in rows of 5 what is the 50th percentile of the date

Adolphin is swimming with her friend. the dolphin jumps to a height of 4.54.54, point, 5 meters above the surface of the water as her friend swims 9.89.89, point, 8 meters directly below her. what is the position of the dolphin's friend relative to the surface of the water? meters