1.	Which relationship would most likely have a positive correlation?
		A.	the number of miles driven, and the number of gallons of gas in the car.
		B.	the number of tickets sold for a baseball game, and the number of hotdogs sold at the game.
		C.	the rate at which a train travels, and the time it takes for it to reach its destination.
		D.	the amount of memory in computer, and the number of keys on the keyboard.
		Hint
	2.	A line of best-fit should not be drawn for which of the following graphs.
		A.		B.
		C.		D.
		Hint
	3.	Which scatter plot shows that x and y have no correlation?
		A.		B.
		C.		D.
		Hint
	4.	Which scatter plot shows that x and y have a positive correlation?
		A.		B.
		C.		D.
		Hint
	5.	Which scatter plot shows that x and y have a negative correlation?
		A.		B.
		C.		D.
		Hint