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Given that n=10 and d2=20, calculate the...

Given that n=10 and d2=20, calculate the Spearman's rank correlation coefficient.

A.

0.121

B.

0.733

C.

0.879

D.

0.979

Correct answer is C

The Spearman's correlation coefficient ρ is given as:

ρ=16d2n(n21)

= ρ=16×2010(1021)

= 1120990=870990

= 0.879