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.	The table below shows the land-speed records to the nearest mile per hour. Draw a scatter plot for the data and use it to predict the approximate land-speed record for the year 2005. Assume the rate of increase of speed records remains the same.
		A.	600 mph	B.	830 mph
		C.	700 mph	D.	980 mph
		Hint
	4.	A scatter plot is __________.
		A.	a line graph	B.	a line graphed in a portion of Quadrant I of the coordinate plane
		C.	a set of data graphed as ordered pairs in a coordinate plane	D.	a table of data
		Hint
	5.	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.	the first and last points on the plot, with respect to the horizontal	D.	two points that you think represent the data well
		Hint