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 largest species of wallaby is the red-necked wallaby, which can grow to a height of 1 metre for males and 80 cm for females.There are much smaller varieties as well.allabies are native to Australia and are grouped/classified according to the habitat in which they live. Thus, there are swamp wallabies, brush wallabies, and rock wallabies. All wallabies are herbivores.