. Which of the following dispersions of scores for three groups (A, B, and C) best illustrate the null hypothesis for a Kruskal–Wallis H test?
A. The number of scores above and below the median are equal.
B. The mean differences between two groups are equal.
C. The sum of ranks in each group does not differ between groups.
D. The ranks in two groups are equal to 0.
Ans: C
You might also like to view...
Home school is risky because _______________________________________________________, and ___________________________________________________
Fill in the blank(s) with the appropriate word(s).
Labeling items in the room is a good way to build _______ _______ recognition
Fill in the blank(s) with the appropriate word(s).
A population has a mean of 606 and a standard deviation of 23. For a sample of N = 500, what is the population standard error of the mean 
?
a. .10 b. 1.02 c. 1.03 d. 1.1
Which of the following would be a strategy for self-development?
A. Be self-critical. B. To become a life-long learner. C. Ask your friends what your weaknesses are. D. Always ask, "what went wrong?"