Which of the following is the correct null hypothesis for a sign test?
A) p = q
B) p - q
C) p + q = 1.00
D) p = 0
Question 2
What is indicated by a large variance for a sample of difference scores?
A) a consistent treatment effect and a high likelihood of a significant difference
B) a consistent treatment effect and a low likelihood of a significant difference
C) an inconsistent treatment effect and a high likelihood of a significant difference
D) an inconsistent treatment effect and a low likelihood of a significant difference