In General, with Regard to Parametric and Nonparametric Statistics

Multiple Choice

In general, with regard to parametric and nonparametric statistics:

A) parametric statistics are used when the variable is measured at the nominal level
B) non-parametric statistics are used to nominal and ordinal data
C) parametric statistics are used when the variable is not measured at the interval level
D) non-parametric statistics are used when the variable is measured at the interval level