The following are the ranks obtained by 10 students in two subjects. Calculate Spearman’s rank correlation. Rank of statistics - 1,2,3,4,5,6,7,8,9,10

Question

The following are the ranks obtained by 10 students in two subjects. Calculate Spearman’s rank correlation.

Rank of Statistics	Rank of Economics
1	2
2	4
3	1
4	5
5	3
6	9
7	7
8	10
9	6
10	8

Answer 1

Rank of Statistics	Rank of Economics	D(R1 - R2)	D2
1	2	-1	1
2	4	-2	4
3	1	+2	4
4	5	-1	1
5	3	+2	4
6	9	-3	9
7	7	0	0
8	10	-2	4
9	6	+3	9
10	8	+2	2
			\(\sum\)D2 = 40