1.	Find the standard deviation of the set {4, 7, 3, 8, 2, 6, 5, 8, 3, 2} to the nearest hundredth.
		A.	2.35	B.	2.00
		C.	2.23	D.	2.46
		Hint
	2.	Find the standard deviation of the set {15, 42, 30, 22, 19, 32} to the nearest hundredth.
		A.	9.05	B.	9.91
		C.	10.14	D.	10.03
		Hint
	3.	The scores on a national achievement test are normally distributed with a mean of 50 and a standard deviation of 10. Out of a group of 200 students, how many would you expect to score more than 70?
		A.	5	B.	32
		C.	10	D.	1
		Hint
	4.	Which of the graphs will have the lowest standard deviation?
		A.		B.
		C.		D.
		Hint
	5.	Compute the variance and standard deviation for the set of {7,7,7,7}. Round to the nearest tenth.
		A.	0; 0	B.	0; 28
		C.	0; 7	D.	7; 0
		Hint