The significance level for a Wilcoxon signed rank test is 0.05. ...

[kamilo84]

The significance level for a Wilcoxon signed rank test is 0.05. The alternative hypothesis is stated as: The location of population 1 is to the left of the location of population 2.
 
  The appropriate critical value for a sample of size 20 (that is the number of nonzero differences) is:A) 122
  B) 150
  C) 61
  D) 75

Question 2

When testing for differences between the means of two related populations, either a one-tailed or two-tailed test can be used.
 
  Indicate whether the statement is true or false

[mtmmmmmk]

Answer to Question 1

C

Answer to Question 2

TRUE