Activity 3 uses the ALA data and doesn’t involve going out and collecting any data for yourself. If you would like to use data from your area, see User Guide 1 – Finding the species recorded in our area.

The following is a table from the ALA containing the mammal species numbers recorded in the area surrounding the suburb of Theodore in the ACT.

  • Using this table, write the Common Names of the 9 mammals with the most records, starting with the most.
  • Draw a column graph to represent these 9 mammals.
  • Generate a pie chart showing these 9 mammals.
  • Which graph do you think represents the information best? Why?
  • What fraction of the mammals recorded in this table are Eastern Grey Kangaroos?
  • What fraction of the mammals recorded in this table are introduced species?
  • You are visiting this area. Using your column graph data, what is the percentage probability that the first mammal you see will be a rabbit?
  • Do you think it is correct to say that the most common mammal species in Theodore is the Eastern Grey Kangaroo?