The variable "educational level" of students was measured as last year in the school was completed (i.e., by using attributes such as none, 1st, 2nd, 3rd, grades, etc.) This type of measurement falls under ________ measures.
The variable "educational level" of students was measured as last year in the school was completed (i.e., by using attributes such as none, 1st, 2nd, 3rd, grades, etc.) This type of measurement falls under ratio measures.