1.	Refer to the stem-and-leaf plot below.
		A.	Four numbers are represented in the stem-and-leaf plot.
		B.	Five numbers are represented in the stem-and-leaf plot.
		C.	Sixty is the greatest number in the data set.
		D.	Most of the numbers fall between 30 and 49.
		Hint
	2.	You have scores of 62, 75, and 90 on three of your history exams. What do you need to get on your fourth exam in order to have a mean of 80?
		A.	100	B.	93
		C.	97	D.	80
		Hint
	3.	From the histogram below, which age interval had the most attendees?
		A.	45-49	B.	55-59
		C.	50-54	D.	60-64
		Hint
	4.	The line graph below represents the top wind speeds of Hurricane Gordon in 1999. Between which two days did the maximum wind speed increase the most?
		A.	September 7–September 8	B.	September 16–September 17
		C.	September 11–September 12	D.	September 10–September 11
		Hint
	5.	What type of graph would you use if you were comparing data for two groups?
		A.	pictograph	B.	double bar graph
		C.	histogram	D.	bar graph
		Hint
	6.	What data would you display using a stacked bar graph?
		A.	the number of commuter trains leaving the station at 7:00 A.M. and at 7:30 A.M.
		B.	the number of sunny and cloudy days in January, February, and March
		C.	the number of computers in a classroom
		D.	the number of colors in a set of markers
		Hint