Which of the following statements is/are true?
- $Y=1+1.8 X$ and $X=1-0.5 Y$ are estimated as lines of regression of $Y$ on $X$ and $X$ on $Y$, respectively.
- $Y=1+1.3 X$ and $X=2+1.1 Y$ are estimated as lines of regression of $Y$ on $X$ and $X$ on $Y$, respectively.
- $Y=1+1.6 X$ and $X=3+0.5 Y$ are estimated as lines of regression of $Y$ on $X$ and $X$ on $Y$, respectively.
- $Y=1+X$ and $X=Y$ are estimated as lines of regression of $Y$ on $X$ and $X$ on $Y$, respectively, and the correlation between $X$ and $Y$ is $\pm 1$.
