Which One of the Following Statements Correctly States the Difference

Multiple Choice

Which one of the following statements correctly states the difference between parametric and nonparametric statistical methods?

A) Nonparametric tests do not make any distributional assumptions throughout the entire process.
B) Nonparametric tests do not have the hypotheses based on population parameters or assumptions based on the distributions of populations from which the samples are drawn.
C) Nonparametric tests involve only interval data whereas parametric tests involve only ordinal data.
D) Nonparametric tests are involved with populations which have no parameters.
E) None of these.