1.	A best-fit line drawn on a scatter plot ________
		A.	must be drawn through the first and last data points.
		B.	approximates the linear relationship of data points.
		C.	is a line that goes through every data point.
		D.	always has a positive slope.
		Hint
	2.	The scatter plot below shows the women's winning marathon times and the high temperatures on the marathon days. Which prediction equation best shows how marathon times and temperature are related?
		A.		B.
		C.		D.
		Hint
	3.	For which scatter plot will a good line of fit have a negative y-intercept?
		A.		B.
		C.		D.
		Hint
	4.	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.	163.7 cm	B.	160.3 cm
		C.	156.9 cm	D.	168.5 cm
		Hint
	5.	When finding the equation for a line of fit for a scatter plot, you should use __________.
		A.	the first and last points on the plot, with respect to the horizontal	B.	the point most characteristic of the scatter plot
		C.	two points that you think represent the data well	D.	all of the points on the plot
		Hint