Question
We are given the percentage of marks secured by 5 students in Economics and Statistics calculate rank correlation.
Solution
|
Student |
Marks in Statistics (X) |
Marks in Economics (Y) |
Ranking in Statistics (Rx) |
Ranking in Economics (R)y |
(RD–R1) |
D2 |
|
A |
85 |
60 |
1 |
I |
0 |
0 |
|
B |
60 |
48 |
4 |
5 |
– 1 |
1 |
|
C |
55 |
49 |
5 |
4 |
1 |
1 |
|
D |
65 |
50 |
3 |
3 |
0 |
0 |
|
E |
75 |
55 |
2 |
2 |
0 |
0 |
|
Σ D2 = 2 |
