Week 13: Model Basics and Model Building
Official Topic
Model basics and model building. Quiz 4.
Problem Focus
What does a statistical model claim, and how do we know when that claim is weak?
Students fit simple models, interpret coefficients, inspect residuals, and discuss assumptions.
In Class
- Fit a simple linear model.
- Interpret slope and intercept in context.
- Compare fitted values and residuals.
- Discuss prediction limits.
AI-Aware Task
Ask an LLM to interpret a regression output. Then identify overclaims, missing assumptions, and conclusions not supported by the model.