Does the ketamine vs midazolam have an effect on the duration of intubation among children in the intensive care unit? There were 20 pairs of children in the study sample and their duration of intubation was not normally distributed. Which is the most appropriate test to answer this question? Question 55 options: a) Spearman correlation b) Kruskal-Wallis c) MANOVA d) Independent t test e) Multivariate linear regression f) One-way ANOVA g) N-way ANOVA h) Logistic regression i) Mann-Whitney U test j) Pearson correlation k) Paired t test l) Wilcoxon matched-pair test