It Has Been Hypothesized That Overall Academic Success for Freshmen

question 132

Multiple Choice

It has been hypothesized that overall academic success for freshmen at college as measured by
Grade point average (GPA) is a function of IQ scores (X1) , hours spent studying each week (X2) , and
One's high school average (X3) . Suppose the regression equation is:
Y' = -6.9 + 0.055X1 + 0.107X2 + 0.0083X3.
The multiple standard error is 6.313 and R2 = 0.826.For which independent variable does a unit
Change have the least effect on GPA?

• A) IQ scores (X1)
• B) hours spent studying each week (X2)
• C) high school average (X3)

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Definitions:

Broken Leg

A fracture or break in any of the bones in the leg, often caused by accidents or falls, requiring medical treatment and immobilization.

Crutches

Mobility aids used to transfer weight from the legs to the upper body during walking or standing.

Swing-To Gait

A type of gait where an individual moves both crutches forward together and then swings both feet to the crutches.

Light-Headed

A feeling of dizziness or faintness, often due to a decrease in blood supply to the brain.