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.
Mammal. The rock wallaby is a small kangaroo. There are 15 species of rock wallaby. They live exclusively on rocky terrain and can leap up to 4 meters (13 feet) but cannot climb trees.During hot weather, they spend most of the day in the shade, searching for grass in the early morning and evening.On cooler days, they spend much of their time eating.here are 15 species of rock wallaby. They live exclusively on rocky terrain and can leap up to 4 meters (13 feet) but cannot climb trees. During hot weather, they spend most of the day in the shade, searching for grass in the early morning and evening. On cooler days, they spend much of their time eating.