1.	Find the mode of {325, 100, 115, 621, 325, 325, 100}.
		A.	115	B.	100
		C.	325	D.	273
		Hint
	2.	The mean is the _______ of a set of numbers.
		A.	middle number	B.	highest number
		C.	arithmetic average	D.	most frequent
		Hint
	3.	Find the mean of {15, 7, 9, 25, 4}.
		A.	13	B.	12
		C.	10	D.	9
		Hint
	4.	Find the mode of {2, 2, 3, 9, 7, 9, 3, 7, 3}.
		A.	3	B.	5
		C.	2	D.	7
		Hint
	5.	The median is the __________ of a set of numbers.
		A.	most frequent number	B.	arithmetic average
		C.	middle number	D.	highest number
		Hint