1. A best-fit line drawn on a scatter plot ________ A. always has a positive slope. B. must be drawn through the first and last data points. C. is a line that goes through every data point. D. approximates the linear relationship of data points. Hint 2. 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 3. 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 4. A scatter plot is __________. A. a set of data graphed as ordered pairs in a coordinate plane B. a line graphed in a portion of Quadrant I of the coordinate plane C. a table of data D. a line graph 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. zero B. positive C. negative D. undefined Hint