Estimating the rhino population
The International Rhino Federation estimates that there are 17,800 rhinoceroses living in the wild in Africa and Asia. A breakdown of the number of rhinos of each species is reported in the accompanying table.
RHINO SPECIES
|
POPULATION ESTIMATE
|
African Black
|
3,610
|
African White
|
11,330
|
(Asian) Sumatran
|
300
|
(Asian) Javan
|
60
|
(Asian) Indian
|
2,500
|
(a) Construct a relative frequency table for the data.
(b) Display the relative frequencies in a bar graph.
(c) What proportion of the 17,800 rhinos are African rhinos? Asian?