Mann-Whitney Test

Question 1

When is Mann-Whitney Test used?

Answer 1

• When the experiment uses an independent groups design
• We compare the performance in the two conditions

Question 2

Steps for Mann-Whitney Test

Answer 2

STEP 1:
- State the alternate hypothesis
STEP 2:
- Rank each data items
STEP 3:
- Add the ranks of each set
STEP 4:
- Using the formula calculate the value of U
- Use the smaller value of U