Question 6
The table shows the scores obtained by a group of artistes in Vocal (X) and Instrumental (Y) musical competition.
Vocal(X) |
63 |
69 |
72 |
59 |
82 |
91 |
95 |
68 |
Instrumental(Y) |
58 |
61 |
67 |
51 |
53 |
79 |
92 |
57 |
Calculate the Spearman’s rank correlation coefficient between the scores.
Observation
The Chief Examiner reported that many candidates attempted this question and displayed a good knowledge of ranking. Only few candidates could not apply the correct formula for Spearman’s rank correlation.
