Nominal is the data can only be categorized
Ordinal is the data that can be categorized and ranked
Interval is the data can be categorized, ranked, and evenly spaced
The ratio is the data can be categorized, ranked, evenly spaced, and has a natural zero.
The given statement is The musical instrument played by a music student
the variables are music student and musical instrument and they can be categorized on the basis of gender, form
The level of measurement is nominal
The answer is D