In correlation, which of the following tells us that we have a perfect positive relationship
A)r = +1
B)all the points on the scatter diagram would fall on a straight line and the slope would be from bottom left to top right of the plot
C)the dots on the scatter diagram would fall in a straight line from top left-hand corner down to bottom right hand corner
D)both a and b

Question

Quizplus · Accepted Answer

A perfect positive relationship in correlation is indicated by a correlation coefficient (r) of +1 (choice A) and by all points on the scatter diagram falling on a straight line with a slope from the bottom left to the top right of the plot (choice B).

In Correlation, Which of the Following Tells Us That We