Definition: In this task, you are given a multiple-choice question about healthcare. Answer the question based on your information and classify your answers into '1', '2', '3', and '4'.
Input: Question: The existence of a statistically significant association between two ordinal variables can be determined by: 
 Options:  <1> The Kruskal-Wallis test. <2> The Pearson correlation. <3> The Kappa test. <4> The Spearman correlation. <5> The Wilcoxon test.
