Spearman's rho

Question 1

When is Spearman’s rho used?

Answer 1

• To test correlation
• Correlation is measuring the relationship between two variables instead of looking at the difference

Question 2

Steps of Spearman’s rho

Answer 2

STEP 1:
- State the alternative hypothesis
STEP 2:
- Rank A and B from low to high and rank the numbers
- Calculate the difference between rank A and rank B
- Square the difference and add up all the squares
STEP 3:
- Find the observed value of rho