The Wilcoxon signed rank test statistic is approximately normally ...

[123654777]

The Wilcoxon signed rank test statistic is approximately normally distributed whenever the number n of nonzero differences in the sample is larger than:
 
  A) 10
  B) 20
  C) 5
  D) 15

Question 2

Given a normal random variable X with mean of 70 and standard deviation of 12, the value of the standard normal random variable Z associated with X = 82 is larger than zero.
 
  Indicate whether the statement is true or false

[morganmarie791]

Answer to Question 1

B

Answer to Question 2

TRUE

[123654777]

TYSM

[cpetit11]

Thanks for the timely response, appreciate it