The Wilcoxon signed rank test assumes that the population ...

[maychende]

The Wilcoxon signed rank test assumes that the population distribution in the difference of paired samples:
 
  A) follows a chi-square distribution.
  B) follows a Poisson distribution.
  C) follows a binomial distribution.
  D) is symmetrical.

Question 2

The sample standard deviation s is an unbiased estimator of the population standard deviation .
 
  Indicate whether the statement is true or false

[1_Step_At_ATime]

Answer to Question 1

D

Answer to Question 2

TRUE