There are four measurement scales (or types of data): nominal, ordinal, interval and ratio. These are simply ways to categorize different types of variables.ote: a sub-type of nominal scale with only two categories (e.g. male/female) is called â dichotomous .â If you are a student, you can use that to impress your teacher. Continue reading about types of data and measurement scales: nominal, ordinal, interval, and ratioâ¦.
A cutaneous horn, also known as cornu cutaneum, refers to a specific appearance of a skin lesion in which a cone-shaped protuberance arises on the skin caused by overgrowth of the most superficial layer of skin (epidermis).
A rhinoâs horn is not fixed to the skull of the animal but is almost an extension of the skin and is similar to a personâs fingernails. Horns should not be cut too close to the skull as this can cause injury to the animal, infection can set in and the animal can die. Horns must be removed by skilled veterinarians.