An example of a categorical variable is the
A) duration of a song (in seconds) on my MP3 player.
B) composer of a song on my MP3 player.
C) title of a song on my MP3 player.
D) number of songs on my MP3 player.
E) Both title of a song on my MP3 player and composer of a song on my MP3 player are correct.
E)! Categorical variables are unique in that they represent a quality, such as colours, instead of a quantity, ie. the quantity of songs on your MP3 player.
