Which of the Following Statements Is False Regarding Nonparametric Methods

Multiple Choice

Which of the following statements is false regarding nonparametric methods?

A) Nonparametric methods are appropriate when we want to treat the data as ordinal.
B) Compared to the correlation coefficient r, Spearman's rho is less affected by outliers in the data.
C) The Wilcoxon rank-sum test is the nonparametric alternative to the paired t-test.
D) Spearman's rho is always between -1 and 1.
E) The Friedman test is appropriate for a randomized block design.