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In a bivariate distribution, Spearman’s Coefficient of Correlation is -0.25. If the sum of the squares of various ranks is 150, find out the number of pairs of items:

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Question:

In a bivariate distribution, Spearman’s Coefficient of Correlation is -0.25. If the sum of the squares of various ranks is 150, find out the number of pairs of items:

A.

10

B.

8

C.

9

D.

7

Answer» c. 9

Note: The above multiple-choice question is for all general and Competitive Exams in India.