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

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Definitions:

Japanese Ports

Refers to the seaports of Japan, which became significant in the mid-19th century as Japan ended its period of national isolation and opened to international trade and influence.

Matthew Perry

A U.S. Navy Commodore who played a key role in opening Japan to the West with the Kanagawa Treaty in 1854, ending Japan's two centuries of isolation.

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A U.S. politician known for the Wilmot Proviso, an unsuccessful proposal aimed at banning slavery in territory acquired from Mexico.

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To officially ban or forbid the practice of slavery, making it illegal to own, buy, or sell humans as property.