1.	A best-fit line is drawn on a scatter plot showing the average daily temperature and the number of people at a public swimming pool. The slope of the line would probably be ________
		A.	positive.	B.	zero.
		C.	negative.	D.	undefined.
		Hint
	2.	A scatter plot is __________.
		A.	a set of data graphed as ordered pairs in a coordinate plane	B.	a table of data
		C.	a line graph	D.	a line graphed in a portion of Quadrant I of the coordinate plane
		Hint
	3.	The table shows the average heights (in centimeters) of females ages 1-14. If this trend continues, about how tall will an average fifteen-year-old female be?
		A.	168.5 cm	B.	156.9 cm
		C.	163.7 cm	D.	160.3 cm
		Hint
	4.	When finding the equation for a line of fit for a scatter plot, you should use __________.
		A.	all of the points on the plot	B.	the point most characteristic of the scatter plot
		C.	two points that you think represent the data well	D.	the first and last points on the plot, with respect to the horizontal
		Hint
	5.	A line of fit is drawn on a scatter plot showing the number of pets owned by automobile owners and the number of miles driven each month. What would probably be the best description of the slope of this line?
		A.	negative	B.	positive
		C.	zero	D.	undefined
		Hint