A Multiple Regression Line Was Calculated in Which $x _ { 1 }$

question 45

Multiple Choice

A multiple regression line was calculated in which $x _ { 1 }$ was a student's grade point average and $x _ { 2 }$ was a student's age. The multiple regression line was calculated as $y ^ { \prime } = - 18.7 + 46.3 x _ { 1 } + 7.28 x _ { 2 }$ . If a student has a grade point average of $5.9$ and is 20 years old, what is the predicted value of $y ^ { \prime }$ ?

• A) 400.1
• B) 387.2
• C) 421.6
• D) 615.5

---

Definitions:

Securely Attached

A term describing individuals, especially children, who have formed healthy emotional bonds and a sense of security with their caregivers.

Resumed Playing

The act of restarting a game or activity after having paused or stopped.

Climbed

entails ascending or going up something, often requiring physical effort, such as climbing a mountain or stairs.

Laboratory Procedure

A standard method or process followed in a scientific lab for the study, experimentation, or measurement of phenomena.