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Essay text:
Spearman rank-order Correlation
* Used as scores on both variables are in the form of ranks.
* The observations on each variable are between-subjects in nature.
Formula for Spearmans rank-order Correlations
R = 1 ?V 6 D
N(N ?V1)
Hypothesis:
H : = A=B
The ranks of A and B are significantly related
H : = A=B
There is no significant relationship between ranks A and B.
Reel A B D D
1 3 4 -1 1
2 5 5 0 0
3 1 3 -2 4
4 4 1 3 9
5 6 7 -1 1
6 7 6 1 1
7 2 2 0 0
D = 16
= 1- 6 D
N(N -1)
= 1- (6) (16)
7 (7 -1)
= 1- 96
336
= 1- 0.286
= 0.714
Critical value for Spearmans r: r = 1
A spearman rank-order Correlation addressed the relationship between rank-order scores for a new model fishing reel between Magazine A and Magazine B...
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