
	1.	Find the upper quartile of {2, 5, 13, 21, 29}.
		A.	25	B.	13
		C.	29	D.	3.5
		Hint

	2.	Find the interquartile range of {61, 65, 65 ,66, 72, 75, 77, 79, 81, 85, 89, 92, 99}.
		A.	77	B.	21.5
		C.	87	D.	65.5
		Hint

	3.	The scores on two recent English exams are shown below. Exam A: 84, 76, 92, 100, 83, 65, 72, 88, 69, 90, 79, 80, 45, 85, 83 Exam B: 50, 62, 68, 80, 85, 90, 91, 54, 60, 90, 95, 64, 87, 72, 75 Are there any outliers in exam A, and if so, which score is an outlier? Use the box-and-whisker plots displayed below.

		A.	Yes, the score 45 is an outlier.	B.	Yes, the score 100 is an outlier.
		C.	Yes, the score 112 is an outlier.	D.	There are no outliers.
		Hint

	4.	City hall was conducting a survey concerning social issues. In order to take part, citizens had to pick up the forms at city hall. What kind of sample is this?
		A.	biased, voluntary	B.	unbiased, systematic random sample
		C.	unbiased, random sample	D.	biased, convenience
		Hint

	5.	A survey is done to see how many times the average American volunteers for things. Ronald asks people from all parts of the United States. What kind of sample is this?
		A.	biased, convenience	B.	unbiased, stratified random sample
		C.	biased, voluntary response	D.	unbiased, simple random sample
		Hint

	6.	Find B – A.

		A.		B.
		C.		D.	impossible
		Hint

	7.	Find –5B.

		A.		B.
		C.		D.
		Hint

	8.	In which measurement class does the median occur?

		A.	20-24 months	B.	30-34 months
		C.	35-39 months	D.	25-29 months
		Hint

	9.	The least number of children fall in which interval?

		A.	15-29 months	B.	cannot be determined
		C.	30-44 months	D.	0-14 months
		Hint

	10.	Find the lower quartile of the data.

		A.	6.5	B.	3.5
		C.	1	D.	10
		Hint