The Following Estimated Regression Equation Was Developed Relating Yearly Income

question 19

Multiple Choice

The following estimated regression equation was developed relating yearly income (y in $1000s) of 30 individuals with their age (x₁) and their gender (x₂) (0 if male and 1 if female) . ​
​ = 30 + .7x₁ + 3x₂
​
Also provided are SST = 1200 and SSE = 384. At the 5% level, the model

• A) is significant.
• B) is not significant.
• C) would be significant if the sample size was larger than 30.
• D) has significant individual parameters.

---

Definitions:

Parietal Peritoneum

The part of the peritoneum that lines the abdominal and pelvic walls, as opposed to the visceral peritoneum which covers internal organs.

Serous Membrane

A thin layer of tissue that lines certain internal cavities of the body, producing a watery serum to lubricate surfaces.

Abdominopelvic Cavity

A body cavity comprising the abdominal cavity (holding digestive organs) and the pelvic cavity (holding reproductive organs, bladder, and rectum).

Negative Feedback

A control system where a triggering event produces a counteracting response to keep a regulated element at its ideal state.