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.
Rockabye (song) Rockabye is a song by British electronic group Clean Bandit, featuring Jamaican dancehall singer Sean Paul and British singer Anne-Marie. It was released on 21 October 2016 and was their first single since Neil Amin-Smith's departure from the group. The song is about hardships of single mothers and alludes to the nursery rhyme, Rock-a-bye Baby.