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.
On the Facebook, social networking site a wall is a section in your profile where others can write messages to you or leave you gifts, which are icon-like small images. The wall is a public writing space so others who view your profile can see what has been written on your wall.