A researcher studying the relationship between drivers' average speed (MPH) on the highway and number of moving violations they receive develops the following regression equation: Y'= 1.85 + .05(X). In this example, 1.85 refers to ______.
A) the Y-intercept
B) the slope of the equation
C) a driver's average speed (MPH)
D) a driver's number of moving violations

Question

Quizplus · Accepted Answer

The value 1.85 refers to the Y-intercept of the regression equation, which represents the predicted number of moving violations a driver would have if their average speed on the highway is 0 MPH.

A Researcher Studying the Relationship Between Drivers' Average Speed (MPH)