1.	Which value occurred the most often?
		A.	77	B.	70
		C.	78	D.	0
		Hint
	2.	What is the difference between the highest and the lowest values?
		A.	84	B.	80
		C.	100	D.	75
		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 for a mean of 80?
		A.	100	B.	97
		C.	80	D.	93
		Hint
	4.	The median is the _________ of a set of numbers.
		A.	middle number	B.	average
		C.	highest number	D.	most frequent
		Hint
	5.	If the number 178,651 is rounded to 179,000 and plotted on a stem-and-leaf plot as 17|9, how would you display 151,205?
		A.	15|1	B.	15|2
		C.	1|51	D.	151|2
		Hint