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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Textbook

A book containing comprehensive coverage of a subject, often used for academic study and instruction.

Marginal Utility

The supplementary satisfaction or value derived from the consumption of one more unit of a good or service.

Lobster Dinner

A meal featuring lobster as the main course, often considered a luxury or special occasion dish.

Inelastic

Inelastic refers to a situation in economic terms where the demand or supply for a good or service is relatively unresponsive to changes in price, meaning the quantity demanded or supplied changes by a smaller percentage than the price change.