In a Multiple Regression Model, the Residuals Were Plotted Against

question 11

Multiple Choice

In a multiple regression model, the residuals were plotted against the values of one of the independent variables. The plot exhibited a funneling out pattern of residuals. This means that as the value of the independent variable increases, the error terms tend to ________ and the model assumption of ________ is violated.

• A) increase, constant variance
• B) increase, independence
• C) decrease, constant variance
• D) decrease, normality

---

Definitions:

HI

The chemical formula for hydrogen iodide, a diatomic molecule.

KOH

Potassium Hydroxide, a strong alkali used in various chemical processes and as a cleaning agent.

NaBr

Sodium bromide, a salt with various uses including in medicines, as a sedative, and in photographic processing.