5. Regression and Modeling
Model Diagnostics — Quiz
Test your understanding of model diagnostics with 5 practice questions.
Practice Questions
Question 1
What does a residual plot showing a random scatter of points indicate about the regression model?
Question 2
Which of the following techniques is used to assess the influence of individual data points on a regression model?
Question 3
In the context of model diagnostics, what does a high Cook's Distance value suggest?
Question 4
What does it mean if a residual plot shows a funnel shape?
Question 5
Which validation technique involves using a portion of the data for training and the rest for testing?