the average lifespans of 181818 common species of turtles are shown below along with the five-number summary. stemleaf1133889922444444558833000077884400007755667755778899101011111212131388 key: 1~|~81 ∣ 81, space, vertical bar, space, 8 represents a species of turtle whose average lifespan is 181818 years. five-number summary min \text{q} 1q 1 ​ start text, q, end text, start subscript, 1, end subscript median \text{q} 3q 3 ​ start text, q, end text, start subscript, 3, end subscript max 131313 242424 303030 404040 138138138 according to the 1.5\cdot \text{iqr}1.5⋅iqr1, point, 5, dot, start text, i, q, r, end text rule for outliers, how many high outliers are there in the data set?