1.	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
	2.	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.	undefined.	B.	zero.
		C.	positive.	D.	negative.
		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.	830 mph	B.	600 mph
		C.	700 mph	D.	980 mph
		Hint
	4.	When finding the equation for a line of fit for a scatter plot, you should use __________.
		A.	the point most characteristic of the scatter plot	B.	the first and last points on the plot, with respect to the horizontal
		C.	two points that you think represent the data well	D.	all of the points on the plot
		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.	undefined	B.	negative
		C.	positive	D.	zero
		Hint