2) a Researcher Wishes to Test the Difference Between Two

Multiple Choice

2) A researcher wishes to test the difference between two samples of data where each sample has been produced by a different group of participants. The data are found to be highly skewed and this skew cannot be removed by transformation. The researcher could:

A) Proceed with a related t test
B) Proceed with an unrelated t test
C) Proceed with a Mann-Whitney test
D) Proceed with a Wilcoxon matched pairs test