I need help to answer this Qs The paired t test is a. a type of Wilcoxon matched-pairs test. b. a parametric test. c. a nonparametric test. d. described by both a and b. 2. The paired t test is used to determine whether the means of which of the following are different from one another? a. Two repeated measures b. Three repeated measures c. Measures from a case and a matched control d. Both a and c 6. Data are considered paired if a. two measures of the same variable are taken on the same person. b. measures of the same variable are taken on a case and a matched control. c. measures of the same variable are taken on a case group and an unmatched control group. d. both a and b are true. Which of the following measures of central tendency are tested by the Wilcoxon matched-pairs test to determine whether two groups are significantly different? a. Means b. Medians c. Modes d. Interquartile ranges When analyzing the mean or median differences of paired data, which of the fol- lowing are considered most important? a. Magnitude of the difference b. Statistical significance of the difference c. Sample size d. Both a and b are equally important