Data Set 15-1: the Scores Below Are Ranks $$\begin{array} { c c } \text { Group 1 } & \text { Group 2 } \\\hline 1 & 3 \\2 & 4\end{array}$$

Multiple Choice

Data Set 15-1: The scores below are ranks. They were obtained by taking each raw score and giving it a rank of 1 to 4.
$$\begin{array} { c c } \text { Group 1 } & \text { Group 2 } \\\hline 1 & 3 \\2 & 4\end{array}$$
-Given what has already been done to the data in Data Set 15-1, the most likely analysis would be a

A) Mann-Whitney test
B) Wilcoxon matched-pairs signed ranks test
C) Spearman's r_s
D) unknown not enough information is given.