Question

Hello, I need help determining what x and y are in this question.inoder to answer this question:What is the correlation between the rankings of the two psychiatrists?

A psychologist has constructed a paper and pencil test purported to measure depression. To see how the test compares with the ratings of the expert, 12 emotionally disturbed individual are given the paper and pencil test. The individuals are also independently rank-ordered by two psychiatrists according to the degree of depression each psychiatrist finds as a result of detailed interviews. The scores are given here. Higher scores represent greater depression.

Ind. papen a b
1 48 12 9
2 37 11 12
3 30 4 5
4 45 7 8
5 31 10 11
6 24 8 7
7 28 3 4
8 18 1 1
9 35 9 6
10 15 2 2
11 42 6 10
12 22 5 3