1.	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.	10	B.	8
		C.	7	D.	9
		Hint
	2.	Determine the median of the set of data {67, 90, 83, 85, 73, 80, 78, 79, 68, 71}.
		A.	78.5	B.	79
		C.	77.5	D.	78
		Hint
	3.	What is the standard deviation for the data {67, 90, 83, 85, 73, 80, 78, 79, 68, 71}?
		A.	about 7.17	B.	about 51.44
		C.	8	D.	about 7.56
		Hint
	4.	The mean and standard deviation of a set of data are 30.5 and 13.8, respectively. Assume that the data are normally distributed. Name the interval about the mean in which about 68.3% of the data are located.
		A.	30.5 ± 1.0	B.	30.5 ± 13.8
		C.	30.5 ± 6.9	D.	13.8 ± 1.0
		Hint
	5.	Given the partial table below, identify the upper and lower limits of an interval about the mean within which 45% of the values of a set of data can be found if the mean is 30.5 and the standard deviation is 13.8. Assume the data are normally distributed.
		A.	9.6-18.0	B.	5.5-22.1
		C.	22.22-38.78	D.	26.3-34.7
		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 101.41-194.39	B.	about 112.58-183.22
		C.	about 99.91-195.89	D.	about 118.17-177.63
		Hint
	7.	The set of data below shows the number of candles sold for each day of a school fund-raiser. Name the interval that describes the most candles sold. 4, 19, 28, 33, 26, 8, 14, 18, 21, 35, 36, 11, 25, 11,13, 44
		A.	10–20	B.	0–10
		C.	30–40	D.	20–30
		Hint
	8.	Find the value of x so that the median of {4, 9, 6, 4, 4, 10, 5, x, 8, 9} is 6.5.
		A.	8	B.	6
		C.	7	D.	5
		Hint
	9.	Find the mean deviation of the data below. 36, 49, 65, 77, 70, 49, 40, 58, 76, 73, 58, 39
		A.	11.854	B.	10.631
		C.	12.417	D.	12.263
		Hint
	10.	From a population of 1,000 items, a sample of 750 is chosen and found to have a standard deviation of 33. Find the standard error of the mean.
		A.	1.04	B.	1.2
		C.	2.6	D.	3.65
		Hint