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.	Which scatter plot shows that x and y have a positive correlation?
		A.		B.
		C.		D.
		Hint
	3.	Which scatter plot shows that x and y have a negative correlation?
		A.		B.
		C.		D.
		Hint
	4.	What is implied when it is said that x and y have a positive correlation?
		A.	When the value of x increases, the value of y does not necessarily increase or decrease.
		B.	When the value of x increases, the value of y increases.
		C.	When the value of x increases, the value of y decreases.
		D.	When the value of x decreases, the value of y does not necessarily increase or decrease.
		Hint
	5.	What is implied when it is said that x and y have no correlation?
		A.	When the value of x increases, the value of y increases.
		B.	When the value of x increases, the value of y does not necessarily increase or decrease.
		C.	When the value of x increases, the value of y decreases.
		D.	When the value of x decreases, the value of y decreases.
		Hint