Formula of the rank correlation coefficient is
A. $$1 + \frac{{6\sum {d^2}}}{{N\left( {{N^2} - 1} \right)}}$$
B. $$1 - \frac{{6\sum {d^2}}}{{N\left( {{N^2} - 1} \right)}}$$
C. $$1 - \frac{{6\sum {d^2}}}{{N\left( {{N^3} - 1} \right)}}$$
D. $$\frac{{1 - 6\sum {d^2}}}{{N\left( {{N^2} - 1} \right)}}$$
Answer: Option B
This Question Belongs to Commerce >> Business Statistics And Research Methods
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