The z-test approximation to the Wilcoxon signed rank sum test is ...

[cool]

The z-test approximation to the Wilcoxon signed rank sum test is used whenever the number of non-zeros differences is at least 50.
  Indicate whether the statement is true or false

Question 2

The Wilcoxon signed rank test is applied to compare two populations, when the samples are matched pairs and the data are interval but not normally distributed.
  Indicate whether the statement is true or false

[Chou]

Answer to Question 1

F

Answer to Question 2

T

[cool]

Thanks for the timely response, appreciate it

[amcvicar]

Great answer, keep it coming