1.	You can use ___ to make predictions about future events by looking for patterns.
		A.	line graphs	B.	intervals
		C.	circle graphs	D.	frequency tables
		Hint
	2.	The Pacific giant kelp plant is one of the fastest-growing plants in the world. The table below shows the growth of one plant. Predict what the height of the plant will be in week 10.
		A.	14 ft	B.	12 ft
		C.	20 ft	D.	10 ft
		Hint
	3.	Josephine has started a school club that goes downtown every Saturday to volunteer at the soup kitchen. The line graph shows the number of students who participate each week. Predict how many students will attend on week 10.
		A.	12 students	B.	14 students
		C.	15 students	D.	22 students
		Hint
	4.	The graph shows the number of books that were donated each year for a used book sale. What does the graph tell you about the number of books donated?
		A.	There is an increase in the number of books donated each year.
		B.	The number of people who donate books is increasing each year.
		C.	Twice as many books were donated in 2008 than in 2003.
		D.	The number of books donated each year is decreasing.
		Hint
	5.	The number of calendars a department store sold in a six-month period is shown in the graph. Which statement gives the best assumption about the calendar sales?
		A.	The number of calendars sold remained the same throughout the year.
		B.	Calendar sales decreased during the end of the year.
		C.	Most calendars were sold towards the end of the year and the beginning of the new year.
		D.	Twice as many calendars were purchased in December than in October.
		Hint