1.	Use the set of data {67, 90, 83, 85, 73, 80, 78, 79, 68, 71}. If the data are grouped so that the lowest class interval is 65-70, how many classes are formed?
		A.	3	B.	6
		C.	4	D.	5
		Hint
	2.	The amount of fiber measured in grams in selected seven-grain products is 4, 10, 7, 7, 4, 1, and 1. Find the range of the data.
		A.	8	B.	10
		C.	9	D.	7
		Hint
	3.	Determine the median of the set of data {67, 90, 83, 85, 73, 80, 78, 79, 68, 71}.
		A.	77.5	B.	78.5
		C.	79	D.	78
		Hint
	4.	Which value is an outlier of the set of data {67, 90, 83, 85, 73, 80, 78, 79, 68, 71}?
		A.	67	B.	There is no outlier for the data.
		C.	90	D.	68
		Hint
	5.	Using the partial table below, what percent of the data is between 40 and 50 if the mean is 30.5 and the standard deviation is 13.8? Assume the data are normally distributed.
		A.	16.1%	B.	32.2%
		C.	12.1%	D.	24.2%
		Hint
	6.	Use the partial table below. If = 57.0, N = 10, and = 147.9, find the interval about the sample mean that has a 5% level of confidence.
		A.	about 112.58-183.22	B.	about 99.91-195.89
		C.	about 118.17-177.63	D.	about 101.41-194.39
		Hint
	7.	Use the partial table below. If = 6.4.0, N = 100, and = 37.1, find the interval about the sample mean that has a 1% level of confidence.
		A.	about 35.18-39.02	B.	about 36.04-38.16
		C.	about 35.45-38.75	D.	about 35.85-38.35
		Hint
	8.	Find the set of data that is bimodal.
		A.	12, 13, 16, 19, 18, 15, 16
		B.	14, 12, 19, 15, 16, 18, 11
		C.	13, 13, 16, 15, 14, 18, 17
		D.	12, 16, 13, 15, 19, 16, 19
		Hint
	9.	Find the interquartile range of the set of data below. 20, 15, 23, 14, 18, 12, 25, 10, 24, 12, 17
		A.	9	B.	15
		C.	11	D.	5
		Hint
	10.	Find the upper and lower limits of an interval about the mean within which 87% of the values of a set of normally distributed data can be found if and Use the table below to help you.
		A.	44.2–85.8	B.	40–80
		C.	52–78	D.	45.5–84.5
		Hint