1. What type of relationship or pattern does the scatter plot suggest? A. no pattern B. a linear relationship whose data have a negative relationship C. a linear relationship whose data have a positive relationship D. none of these Hint 2. Which is the best prediction equation for the data? A. y = 10x - 19,950 B. y = 5x - 19,950 C. y = 25x - 19,950 D. y = 20x - 19,950 Hint 3. The math scores, x, and chemistry scores, y, for six students are given in the table. Use a graphing calculator to find the Pearson product-moment correlation. A. about 0.68 B. about 0.71 C. about 0.74 D. about 0.65 Hint 4. Use two ordered pairs to write the equation of a best-fit line. A. y = 5x + 75 B. y = 3x + 72 C. y = 5x D. y = 3x Hint 5. Determine two points that appear to represent the data in the scatter plot. Then find and interpret the slope. A. Paul's test scores improve an average of 5 points with each test. B. Paul's test scores improve an average of 3 points with each test. C. Paul's test scores are neither increasing nor decreasing. D. Paul's test scores improve an average of 15 points with each test. Hint