A company's database stores information about customer's locations using a coding scheme. For example, the western region is stored as "1", the eastern region as "2", the northern region as "3", and the southern region as "4". When this data is exported and shared with someone, these numbers are likely to be considered which of the following?

Dummy variables.
		Misfielded data values.
		Dirty data.
		Cryptic data values.