The nonparametric counterpart of the parametric t-test of for matched pairs is the:

A) Friedman test
B) Kruskal-Wallis test
C) Wilcoxon signed rank test
D) Wilcoxon rank sum test
E) chi-square test

Matched Pairs

A study design in which subjects are paired based on certain characteristics, with one subject in each pair receiving each treatment.

Parametric T-Test

A statistical test used to compare the means of two samples, assuming that the underlying populations have a normal distribution and known variance.

Nonparametric Counterpart

A type of statistical method that does not assume a specific distribution for the data, often used when the data doesn't meet the assumptions of parametric tests.