Author Question: When all the points in a scatter plot lie directly on the regression line of Y and X, then a. X ... (Read 140 times)

darbym82 · **on:** Jun 20, 2018

When all the points in a scatter plot lie directly on the regression line
of Y and X, then

a. X has caused Y
b. the correlation must equal 0
c. the correlation cannot be calculated
d. the correlation must equal +1.00

Question 2

Nominal data always imply equal distances between successive scale
points.

Indicate whether the statement is true or false