1.	A best-fit line drawn on a scatter plot ________
		A.	must be drawn through the first and last data points.
		B.	always has a positive slope.
		C.	is a line that goes through every data point.
		D.	approximates the linear relationship of data points.
		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.	600 mph	B.	980 mph
		C.	700 mph	D.	830 mph
		Hint
	4.	For which scatter plot will a good line of fit have a negative y-intercept?
		A.		B.
		C.		D.
		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.	zero
		C.	negative	D.	positive
		Hint