QUESTION 1

1. When considering the two variables "number of hours studied" and "grade on an exam," which would be the response variable?

A."Grade on an exam" would be the response variable because the grade depends on, or responds to, the number of hours a student studied.

B."Number of hours studied" would be the response variable because the number of hours studied determines how well a student will perform on a test.

C."Number of hours studied" would be the response variable because the number of hours studied depends on how well a student performs on a test.

D."Grade on an exam" would be the response variable because it determines how long a student should study.

QUESTION 2

1. When considering the two variables"number of hours studied"and"grade on an exam,"which would be the explanatory variable?

A."Grade on the exam" would be the explanatory variable because the student's grade would determine how long the student needs to study.

B."Number of hours studied" would be the explanatory variable because the amount of time a student spends studying depends on how well the student performed on the exam.

C."Number of hours studied" would be the explanatory variable because the amount of time a student spends studying explains how well the student performs on the exam.

D."Grade on the exam" would be the explanatory variable because the student's grade depends on how long they studied.

QUESTION 3

1. Each month the owner of a car dealership totals up the receipts from car sales to determine how much profit was made and compares this to the amount of money spent on advertising.Identify the response variable.

A.The type of advertising (TV, radio,flyers, etc.)

B.The number of receipts

C.The dollar amount of the profit

D.The amount of money spent on advertising

QUESTION 4

1. Each month the owner of a car dealership totals up the receipts from car salesto determine how much profit was made and compares this to the amount of money spent on advertising.Identify the explanatory variable.

A.The total profit

B.The types of advertising (TV, radio,flyers, etc.)

C.The number of receipts

D.The amount of money spent on advertising

QUESTION 5

1. Consider the two variables "length of finger bone" and "length of toe bone" for humans.Which variable would be the explanatory variable, and which would be the responsevariable?

A.This is an example where one variable is not influencing the other, even though there is a relationship between the two variables.Either variable could be treated as the explanatory or response variable.

B.Response variable:Length of finger bone

Explanatory variable:Length of toe bone

C.Response variable:Length of toe bone

Explanatory variable:Length of finger bone

D.There is no relationship between the length of a person's toe bone and finger bone.