1.	A best-fit line drawn on a scatter plot ________
		A.	is a line that goes through every data point.
		B.	must be drawn through the first and last data points.
		C.	approximates the linear relationship of data points.
		D.	always has a positive slope.
		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.	positive.	B.	zero.
		C.	undefined.	D.	negative.
		Hint
	3.	How do the medians of the two sets of exam scores compare?
		A.	The median of Exam A is less than the median of Exam B.
		B.	The answer cannot be determined since the median is not shown in a box and whisker plot.
		C.	The medians are equal.
		D.	The median of Exam A is greater than the median of Exam B.
		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.	positive	D.	negative
		Hint