THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 143

Multiple Choice

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
A professor of statistics is interested in studying the relationship between the number of hours graduate students spent studying for his comprehensive final exam and the exam score.The results of the regression analysis of hours studied on exam scores are presented below.
-Suppose that we are interested in exploring the determinants of successful high schools.One possible measure of success might be the percentage of students who go on to college.The teachers' union argues that there should be a relationship between the average teachers' salary and high school success.The following regression line is obtained: "% of students going on to college = 13 + 0.001(Average Teachers' Salary) ." Which of the following statements is true with respect to the given scenario?

• A)If the percentage of students going on to college increases by 0.001,we would expect the average teachers' salary to approximately increase by one dollar.
• B)If the percentage of students going on to college increases by 1,we would expect the average teachers' salary to approximately increase by 0.001 dollar.
• C)If the average teachers' salary increases by 0.001 dollar,we would expect the percentage of students going on to college to increase approximately by one percent.
• D)If the average teachers' salary increases by one dollar,we would expect the percentage of students going on to college to increase approximately by 0.001 percent.

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Definitions:

Body Organ

A part of the body that performs a specific function or group of functions, such as the heart, liver, or lungs.

Rod

One of the rod-shaped, light-sensitive cells of the retina that are particularly sensitive to dim light and mediate black-and-white vision. Compare with cone.

Flavors

The overall perception of taste, aroma, and mouthfeel experienced when consuming a food or beverage.

Sound Wave

A wave of compression and rarefaction, by which sound is propagated in an elastic medium such as air, water, or solid materials.