Which of the following statements is not correct with regards to the Wilcoxon Signed-Rank Test?
a.If the underlying distribution is normal, it is often preferred to use the
t test because it will have more power associated.
b.In large-sample problems, the Wilcoxon test in usually not less efficient than the
t-test and may be more efficient if the underlying distribution is not approximately normal.
c.The Wilcoxon signed-rank test is designed for data that are basically symmetric but outlier-prone.
d.If the sample has an underlying distribution that is normal then either the signed-rank test or the
t-test could be used to test hypotheses about
.
Question 2
Which of the following does the Wilcoxon Signed-Rank Test allow inferences to be made for?
a.the correlation
b.the interquartile range
c.the median
d.the variance
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