1.	If a line is drawn through points on a scatter plot and a negative relationship is shown, then _____.
		A.	as the values of x increase, the values of y increase	B.	the slope of the line is undefined.
		C.	as the values of x increase, the values of y decrease	D.	the slope of the line is 0
		Hint
	2.	Which situation would result in a scatter plot that shows no relationship?
		A.	age and taxes paid over lifetime	B.	length of automobile trip and gasoline consumed by vehicle
		C.	size of house and value	D.	age of the head of the household and last digit of phone number
		Hint
	3.	If a line is drawn through points on a scatter plot and a positive relationship is shown, then _____.
		A.	the slope of the line is undefined.
		B.	as the values of x increase, the values of y decrease
		C.	as the values of x increase, the values of y increase
		D.	the slope of the line is 0
		Hint
	4.	Determine whether the scatter plot shows a positive. relationship, negative relationship, or no relationship.
		A.	no relationship	B.	negative relationship
		C.	positive relationship	D.	cannot be determined
		Hint
	5.	The scatter plot shows the relationship between number of weekly meals at fast food restaurants and blood cholesterol level for 25 adults in a correlational study. Describe the independent and dependent variables of the graph and what the graph indicates.
		A.	The independent variable is the number of meals per week at a fast food restaurant. The dependent variable is blood cholesterol level. In the study, people who ate more often at fast food restaurants generally had higher blood cholesterol levels.
		B.	The independent variable is blood cholesterol level. The dependent variable is the number of meals per week at a fast food restaurant. In the study, people who ate more often at fast food restaurants generally had higher blood cholesterol levels.
		C.	The independent variable is blood cholesterol level. The dependent variable is the number of meals per week at a fast food restaurant. In the study, people who ate more often at fast food restaurants generally had lower blood cholesterol levels.
		D.	The independent variable is the number of meals per week at a fast food restaurant. The dependent variable is blood cholesterol level. In the study, people who ate more often at fast food restaurants generally had lower blood cholesterol levels.
		Hint