Author Question: Which of the following statements is not correct with regards to the Wilcoxon Signed-Rank Test? a. ... (Read 78 times)

MGLQZ · **on:** Jun 24, 2018

Which of the following statements is not correct with regards to the Wilcoxon Signed-Rank Test?
a. 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.

b. If the underlying distribution is normal, it is often preferred to use the t test because it will have more power associated.

c. 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 .

d. The Wilcoxon signed-rank test is designed for data that are basically symmetric but outlier-prone.

Question 2

In a designed experiment, researchers control for various factors such as age, gender, or socioeconomic status.
a. True
b. False
Indicate whether the statement is true or false