The Mann-Whitney U Test is run. Here are the data: U1 = 210; U2 = 190; n1 = n2 = 20; z = - 0.27; Critical value = ± 1.96; Which of the following statements are correct?
a. We should reject the null.
b. We should not reject the null.
c. This is a one-tailed test.
d. Our obtained z score is incorrect; it is impossible to have a negative value when running a Mann-Whitney U Test.
e. Both a) and c) are correct.
Ans: b
You might also like to view...
Jean Jacques Rousseau was known for his book:
a) Democratic Prospect b) Emile c) Common Faith d) Summerhill
Two pieces of equipment should be kept in the classroom to check the student's hearing aids. What are these?
What will be an ideal response?
What does it mean to find "common ground" when networking?
What will be an ideal response?
Identify the problem that solving with a linear model would not be the best method
A) Half a pizza is left from the 2 pizzas Molly ordered. How much pizza was eaten? B) Mary needs 3 1/2 feet of wood to build her fence. She only has 2 3/4 feet. How much more wood does she need? C) Millie is at mile marker 2 1/2. Rob is at mile marker 1. How far behind is Rob? D) What is the total length of these two Cuisenaire rods placed end to end?