The data comes from a scatterplot. 2 3 4 5 6 7 8 8 8 9 10 10 x 2 8 4 1 10 4 6 10 2 7 3 9 y Which best describes the linear relationship between and x y? weak or no correlation strong positive correlation strong negative correlation Ans: A A value of = indicates a weaker linear relationship between and than a value of = 0.5. r x y r –0.5 True B. Ans: B A value of = 1 indicates that there is a cause-and-effect relationship between and r x y. True B. False Ans: B
The data comes from a scatterplot. x 2 3 4 5 6 7 8 8 8 9 10 10 y 2 8 4 1 10 4 6 10 2 7 3 9 Which best describes the linear relationship between x and y? weak or no correlation strong positive correlation strong negative correlation Ans: A A value of r = –0.5 indicates a weaker linear relationship between x and y than a value of r = 0.5. True B. Ans: B A value of r = 1 indicates that there is a cause-and-effect relationship between x and y. True B. False Ans: B