Chi-squared test for nominal (categorical) data. The c2 test is used to determine whether an association (or relationship) between 2 categorical variables in a sample is likely to reflect a real association between these 2 variables in the population.
For other uses, see Wallaby (disambiguation) . A wallaby is a small-or mid-sized macropod found in Australia and New Guinea. They belong to the same taxonomic family as kangaroos and sometimes the same genus, but kangaroos are specifically categorised into the six largest species of the family.or other uses, see Wallaby (disambiguation) . A wallaby is a small-or mid-sized macropod found in Australia and New Guinea. They belong to the same taxonomic family as kangaroos and sometimes the same genus, but kangaroos are specifically categorised into the six largest species of the family.
The Yellow-footed rock wallaby is the largest of all the rock wallabies. Their fur is fawn and grey on the top and underneath they are white and have yellow forearms and feet. The fur is long and silky. They have a dark brown stripe down their back. They have long ears which have yellow hair on the outside surface.