Part 1. What does it mean to say that two variables are positively associated? Negatively associated?

1. What does it mean to say that two variables are positively associated?

A.

There is a linear relationship between the variables.

B.

There is a relationship between the variables that is not linear.

C.

There is a linear relationship between the variables, and whenever the value of one variable increases, the value of the other variable decreases.

D.

There is a linear relationship between the variables, and whenever the value of one variable increases, the value of the other variable increases.

Part 2

1. What does it mean to say that two variables are negatively associated?

A.

There is a linear relationship between the variables, and whenever the value of one variable increases, the value of the other variable increases.

B.

There is a linear relationship between the variables.

C.

There is a relationship between the variables that is not linear.

D.

There is a linear relationship between the variables, and whenever the value of one variable increases, the value of the other variable decreases.

Part 3. True or false: Correlation implies causation.

Choose the correct response.

False

True

Part 4. If the linear correlation between two variables is negative, what can be said about the slope of the regression line?

Choose the correct answer below.

A.

Positive

B.

Negative

C.

More information is needed