Spearman's Rank Correlation Coefficient Flashcards
1
Q
How is each set of data ranked?
A
Each set of data is ranked in order, giving the largest value rank 1 and so on.
2
Q
What is Spearman’s Rank used for?
A
To compare to types of data, it shows the correlation or relationship between them.
3
Q
What are the different columns in Spearman’s rank tables?
A
Rank (a), rank (b), difference(A-B) and difference squared
4
Q
How do you know if it is a strong, weak , positive or negative correlation?
A
The closer a value is to 1 then the stronger the positive correlation, the closer the value is to -1 then the stronger the negative correlation. If the value is near 0 there is no correlation