Author Question: The best-fitting line through a scatterplot is known as the a. scatterplot line. c. variance ... (Read 74 times)

sammy · **on:** Jun 20, 2018

The best-fitting line through a scatterplot is known as the

a. scatterplot line. c. variance line.
b. correlation line. d. regression line.

Question 2

To know whether there is a relationship between two variables, you draw a line around the outer edges of a scatterplot. If there is a negative relationship,

a. the scatterplot is simultaneously elliptical and circular.
b. the scatterplot is elliptical and is slanted upward (left to right).
c. the scatterplot is elliptical and is slanted downward (left to right).
d. the scatterplot is either circular or elliptical, and the ellipse is parallel to the X axis.