Bob Thinks There Is Something Wrong with Excel's Fitted Regression

question 14

Multiple Choice

Bob thinks there is something wrong with Excel's fitted regression. What do you say?

• A)The estimated equation is obviously incorrect.
• B)The R² looks a little high but otherwise it looks OK.
• C)Bob needs to increase his sample size to decide.
• D)The relationship is linear, so the equation is credible.

---

Definitions:

Evolutionary Psychologist

A professional in psychology who studies how evolutionary principles help explain the structure of human psychological processes and behavior.

Epigenetics

The study of how behaviors and environment can cause changes that affect the way genes work without altering the DNA sequence.

Phenotype

A collection of visible attributes or qualities in an organism, which emerge from how its genetic makeup interacts with its surroundings.

Percentage Of Variance

A statistical measure that describes the proportion of the variance for a dependent variable that's explained by an independent variable or variables in a regression model.