Question

Construct a stem and leaf display. Determine if the distribution is skewed, bi-modal or rectangular. Ecology: Habitat Wetlands offer a diversity of ecological benefits. They provide a habitat for wildlife, spawning grounds for U.S. commercial fish, and renewable timber resources. In the last 200 years, the United States has lost more than half its wetlands. Environmental Almanac gives the percentage of wetlands lost in each state in the last 200 years. For the lower 48 states, the precentage of wetlands per state is follows: 46 37 36 42 81 20 7

46 37 36 42 81 20 73 59 35 50

87 52 24 27 38 56 39 74 56 31

27 91 46 9 54 52 30 33 28 35

35 23 90 72 85 42 59 50 49

48 38 60 46 87 50 89 49 67

Answer 1

Stem and Leaf Display
90 | 90 91
80 | 81 81 85 87 87 89
70 | 72 73 74
60 | 60 67
50 | 50 50 50 52 52 54 56 56 59 59
40 | 42 42 42 46 46 46 46 48 49 49
30 | 30 31 33 35 35 35 36 36 37 37 38 38 39
20 | 20 20 24 27 27 28 23
0 | 7 9