Correlation coefficient by least square method is obtained by the following formula.
A. $$1 - \frac{{{S_y}}}{{{\sigma _y}}}$$
B. $$\sqrt {1 - \frac{{{S^2}y}}{{{\sigma ^2}y}}} $$
C. $$\sqrt {1 - \frac{{{\sigma ^2}y}}{{{S^2}y}}} $$
D. $$\frac{{{S^2}y}}{{{\sigma ^2}y}}$$
Answer: Option B
This Question Belongs to Commerce >> Business Statistics And Research Methods
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