If all the points in a scatter diagram lie on the least squares regression line, then the coefficient of correlation must be: $\begin{array}{|l|l|}
\hline A&\text {1.0 }\
\hline B&\text { -1.0}\
\hline C&\text { either } 1.0 \text { or }-1.0\
\hline D&\text { 0.0 }\
\hline
\end{array}$

Question

If all the points in a scatter diagram lie on the least squares regression line, then the coefficient of correlation must be: $\begin{array}{|l|l|}
\hline A&\text {1.0  }\
\hline B&\text { -1.0}\
\hline C&\text { either } 1.0 \text { or }-1.0\
\hline D&\text { 0.0 }\
\hline 
\end{array}$

Quizplus · Accepted Answer

The Answer of If all the points in a scatter diagram lie on the least squares regression line, then the coefficient of correlation must be: $\begin{array}{|l|l|}
\hline A&\text {1.0  }\
\hline B&\text { -1.0}\
\hline C&\text { either } 1.0 \text { or }-1.0\
\hline D&\text { 0.0 }\
\hline 
\end{array}$

If All the Points in a Scatter Diagram Lie on the Least