Answer these

Nine health professionals are sent on an interpersonal skills training course. They are asked to rate their opinion of the need for this type of course both before and after completing the course. After attending, seven people rated the need lower than previously, one rated it higher and one person did not change his opinion. What test could be used to assess whether the difference in rankings before and after the course is statistically significant or any observed difference is only a play of random chance? 0 Chi Square test 0 Wilcoxon Signed Rank test 0 Mann-Whitney U test 0 KruskaI-Wallis ANOVA O Paired Samples t test A unit coordinator knows that few students mix up the interpretation of p value from an assumption test as opposed to the p value from a 'hypothesis test' which is employed to actually test the study hypothesis. P value from an assumption test will only tell us if the assumption is violated or not violated but it the p value of the actual hypothesis test that will determine our overall conclusion about the study. Anyway let's move on with the real question below: Students studying a second year statistics unit were requested to respond to the statement 'P value scares me' with possible response options 'Always, Most of the times, Sometimes, Rare/y or Never'. If the unit coordinator wants to explore whether response rankings are actually different between Internal and Fully Online students and chance is unlikely, which test should be selected for the analysis? 0 Mann-Whitney U test 0 Levene's test 0 Wilcoxon Signed Rank Test 0 Kruskal-Wallis ANOVA 0 Independent Samples t test 0 Shapiro-Wilk test