Spearmans rank Flashcards
1
Q
how do you use the data?
A
you have two variables and you rank them in order from highest to lowest. you rank it from 1 to …
2
Q
what do you once ranked?
A
you find the difference between all values x and y (‘d’)
3
Q
once you’ve found the difference what do you do?
A
find d^2, square all ‘d’ values
4
Q
after d^2 you ..
A
you add up all squared values
5
Q
p =
A
1 - 6(sum of d^2) / n(n^2-1)
n = no. of values p= spearmans rank correlation
6
Q
close to 0
A
no correlation
7
Q
close to 1
A
high correlation
