Choose the correct statements about Spearman's rank coefficient.

Spearman's coefficient is the correlation coefficient for the ranks

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Spearman's coefficient is less reliable than Karl Pearson's coefficient

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Spearman's coefficient is easier to calculate than Karl Pearson's coefficient

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Spearman's coefficient can be used for finding the correlation between qualitative variables

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Solution

The correct options are
A
Spearman's coefficient is the correlation coefficient for the ranks

B
Spearman's coefficient is less reliable than Karl Pearson's coefficient

C
Spearman's coefficient is easier to calculate than Karl Pearson's coefficient

D
Spearman's coefficient can be used for finding the correlation between qualitative variables

All of the mentioned statements are true.

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Similar questions

If precisely measured data are available the simple correlation coefficient is

(i) more accurate than rank correlation coefficient

(ii) less accurate than rank correlation coefficient

(iii) as accurate as the rank correlation coefficient

X	3	2	1	5	4
Y	8	4	10	2	6

Spearman's rank coefficient is used to understand the correlation between variables which can be clearly quantified. State true or false.

When is rank correlation more precise than simple correlation coefficient?

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