You are given the following sample data: Group 1 Group 2 Group 3 10 8 13 9 6 12 11 8 12 12 9 11 13 10 13 11 10 15 a) State the appropriate null and alternative hypotheses for determining whether a difference exists in the median value for the three populations. b) Based on the sample data, use the Kruskal-Wallis ANOVA procedure to test the null hypothesis using LaTeX: \alpha=0.05 = 0 . 05. What conclusion should you reach? Analysis and Conclusion must reflect the student's own words. The conclusion must include the student's point of view rather than what the paper includes. include references in a text