In Analyzing the Residuals to Determine Whether the Simple Regression

question 44

Multiple Choice

In analyzing the residuals to determine whether the simple regression analysis satisfies the regression assumptions, which of the following is true?

• A) The histogram of the residuals should be approximately bell-shaped.
• B) The scatter plot of the residuals against the dependent variable should illustrate that the variation in residuals is the same over all levels of .
• C) Neither A nor B are true.
• D) Both A and B are true.

---

Definitions:

Monocytes

a type of white blood cell that plays a significant role in the immune system by engulfing and digesting pathogens and cellular debris.

WBCs

White Blood Cells; cells of the immune system that are involved in protecting the body against both infectious disease and foreign invaders.

Macrophages

A type of white blood cell part of the immune system, responsible for detecting, engulfing, and destroying pathogens and cellular debris.

Lymphocytes

A type of white blood cell that plays an essential role in the body’s immune response, involved in protecting the body against antigens.