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