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NDA 2017

Exam: NDA
Year: 2017
Subject: Mathematics
Chapter: Statistics

NDA 2017 · Mathematics · Statistics

The coefficient of correlation when coefficients of regression are...

The coefficient of correlation when coefficients of regression are 0.2 and 1.8 is

Options

A $0.36$
B $0.2$
C $0.6$
D $0.9$

Correct answer

C. $0.6$

Step-by-step solution

\begin{aligned} & \text{ Coefficient of correlation }=\sqrt{0.2 \times 1.8} \\ & =\sqrt{0.36}=0.6\end{aligned}

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