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.	Choose the scatter plot that has a prediction equation with a negative slope.
		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.	980 mph	B.	700 mph
		C.	600 mph	D.	830 mph
		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.	undefined	D.	zero
		Hint