Which one of the following formulae is used to calculate the...

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Which one of the following formulae is used to calculate the standard error of coefficient of correlation between 25 paired observations of a sample?

A. $$\frac{{1 - {r^2}}}{{\sqrt n }}$$

B. $$\sqrt {\frac{{1 - {r^2}}}{{n - 2}}} $$

C. $$0.6745\left[ {\frac{{1 - {r^2}}}{{\sqrt n }}} \right]$$

D. $$\sqrt {\frac{{n - 2}}{{1 - {r^2}}}} $$

Answer: Option B

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