The Sign test or Wilcoxon Signed-Rank test are nonparametric ...

[nelaaney]

The Sign test or Wilcoxon Signed-Rank test are nonparametric tests that can be used to compare two dependent samples when the assumptions for a t-test are invalid.
  Indicate whether the statement is true or false

Question 2

When the direction (and not the magnitude) of the difference within each matched paired in a paired experiment is known, the sign test can be used while the Wilcoxon Signed-Rank test cannot be used.
  Indicate whether the statement is true or false

[katieost]

Answer to Question 1

T

Answer to Question 2

T

[nelaaney]

Thank you!

[katieost]

Always glad to help...