In this section we use r to denote the value of the linear correlation coefficient. why do we refer to this correlation coofficient as being linear? choose the correct answer below a. the term linear refers to a straight line, and r measures the fraction of the points the best line passes trough. b. the term linear refers to a straight line that passes through the average values of the paired data, and r measures how well a scatterplot fits a straight-line pattem c. the term linear refers to a straight line, and r measures how well a scatterplot fits a straight-line pattern d. the term linear refers to the straight line that passes through the greatost number of points, and r meansures the fraction of the points the line passes through