Question

In the regression equation $Y=a+bX$, $a$ is called:

• A. X-intercept
• B. Y-intercept
• C. Dependent variable
• D. None of these

Answer 1

Answer: (B)

Y-intercept

A linear regression line has an equation of the form $Y=a+bX$

where $Y$ is called dependent variable or response.

$X$ is called independent variable or predictors or explanatory variable

$a$ is the y-intercept and

$b$ is the slope of the line.