A regression line is
A) a line of covariance.
B) a correlation matrix.
C) the best fit straight line.
D) the equal to a correlation line.

Question

Quizplus · Accepted Answer

A regression line is the line that best fits a set of data points by minimizing the distance between the line and the points. It is commonly used for predicting values based on the relationship between two variables. Option A refers to a concept related to the covariance matrix, while option B refers to a different statistical tool. Option D is an incorrect statement, as correlation lines do not exist.

A Regression Line Is