1.	A best-fit line drawn on a scatter plot ________
		A.	always has a positive slope.
		B.	approximates the linear relationship of data points.
		C.	is a line that goes through every data point.
		D.	must be drawn through the first and last data points.
		Hint
	2.	Choose the scatter plot that has a prediction equation with a negative slope.
		A.		B.
		C.		D.
		Hint
	3.	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
	4.	What percent of the data is between 62 and 90 for Exam B?
		A.	50%	B.	100%
		C.	25%	D.	75%
		Hint
	5.	For which scatter plot will a good line of fit have a negative y-intercept?
		A.		B.
		C.		D.
		Hint