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 sebaceous cyst is a sac filled with a cheeselike, greasy material (sebum) caused by plugged ducts at the site of a hair follicle. Sebaceous cysts most often appear on the scalp, ears, face, back, or scrotum. Hormone stimulation or injury may cause them to enlarge or become infected. Signs and symptoms include a bump or lump under the skin that is: Firm and easily moveable.