Which of the following statements is not correct with regards ...

[clmills979]

  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

[Sarahjh]

Answer to Question 1

correct: d

Answer to Question 2

correct: c

[clmills979]

Thank you!

[Sarahjh]

Always glad to help...