calculate correlation 4rom d data by d method of spearman' s rank
x - 15, 14, 25, 14, 14, 20, 22
y- 25,12,18,25,40,10,7
X | Y | R1 | R2 | D (R1 – R2) | D2
|
15 | 25 | 4 | 5.5 | –1.5 | 2.25 |
14 | 12 | 2 | 3 | –1 | 1 |
25 | 18 | 7 | 4 | 3 | 9 |
14 | 25 | 2 | 5.5 | –3.5 | 12.25 |
14 | 40 | 2 | 7 | –5 | 25 |
20 | 10 | 5 | 2 | 3 | 9 |
22 | 7 | 6 | 1 | 5 | 25 |
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| ∑ D2 = 83.5
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