If you were going to develop a scatter plot for the purpose of determining whether one of the assumptions of the regression model is being satisfied, which of the following is true?
A) The plot should illustrate a bell-shaped distribution to show that the residuals are normally distributed.
B) The horizontal axis should show the fitted values for the dependent variable.
C) The plot should illustrate a cone shaped look.
D) The points should fall in a straight line.

Question

Quizplus · Accepted Answer

The scatter plot for checking assumptions in a regression model typically plots the residuals on the vertical axis against the fitted values on the horizontal axis. This helps in assessing the homoscedasticity of residuals, which is a key assumption in regression analysis.

If You Were Going to Develop a Scatter Plot for the Purpose