1.	Refer to the set of data below. If 15 were removed from the set of data, which values would change?
		A.	mean, median, and range	B.	range
		C.	mode	D.	range and mean
		Hint
	2.	Find the mode of {325, 100, 115, 621, 325, 325, 100}.
		A.	273	B.	100
		C.	325	D.	115
		Hint
	3.	You have scores of 62, 75, and 90 on three of your history exams. What do you need to get on your fourth exam in order to have a mean of 80?
		A.	80	B.	93
		C.	97	D.	100
		Hint
	4.	The mean is the _______ of a set of numbers.
		A.	most frequent	B.	middle number
		C.	arithmetic average	D.	highest number
		Hint
	5.	Ben races motorcycles for fun. So far, his lap times, in seconds, are 32, 35, 33, and 32. What time must Ben get on his final lap for his average lap time to be 32.6?
		A.	33	B.	31
		C.	32.6	D.	32
		Hint