Question 15 Marks
If the correlation coefficient between $X$ and $Y$ is 0.8 , what is the correlation coefficient between
(i) $2 X$ and $Y$
(ii) $\frac{X}{2}$ and $Y$
(iii) $X$ and $3 Y$
(iv) $X-5$ and $Y-3$
(v) $X+7$ and $Y+9$
(vi) $\frac{X-5}{7}$ and $\frac{Y-3}{8}$ ?
View full question & answer→(i) $2 X$ and $Y$
(ii) $\frac{X}{2}$ and $Y$
(iii) $X$ and $3 Y$
(iv) $X-5$ and $Y-3$
(v) $X+7$ and $Y+9$
(vi) $\frac{X-5}{7}$ and $\frac{Y-3}{8}$ ?