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WASSCE
The marks scored by 4 students in Mathematics and Physics are ranked as shown in the table below.
Calculate the Spearman's rank correlation coefficient.
| Mathematics | 3 | 4 | 2 | 1 |
| Physics | 4 | 3 | 1 | 2 |
Calculate the Spearman's rank correlation coefficient.
A.
0.2
B.
0.5
C.
0.6
D.
0.7
Answer: C
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