x y 11 U V 1.0 3.9 1.0 7.7 2.0 6.4 2.0 4.8 X 3.0 6.8 3.0 10.1 4.0 4.3 4.0 5.9 5.0 4.9 5.0 2.1 it m X 6.0 7.8 6.0 4.8 7.0 5.7 7.0 8.8 8.0 7.3 8.0 3.8 9.0 9.0 2 3 4 5 6 7 8 9 10 11 9.0 10.0 0 1 2 3 4 5 6 7 8 9 10 11 10.0 7.9 Figure 1 10.0 6.2 Figure 2 w t 11 m n 11 1.0 8.2 1.0 10.0 2.0 6.7 2.0 9.0 X X 3.0 8.1 3.0 8.0 4.0 5.9 4.0 7.0 5.0 7.0 5.0 6.0 6.0 4.6 6.0 5.0 X X 7.0 5.2 7.0 4.0 8.0 3.0 X 8.0 3.5 1 2 3 4 5 6 7 8 9 10 11 9.0 3.9 1 2 3 4 5 6 7 8 9 10 11 9.0 2.0 10.0 2.7 Figure 3 10.0 1.0 Figure 4 Answer the following questions about the relationships between pairs of variables and the values of r, the sample correlation coefficient. The same response may be the correct answer for more than one question. a) Which data set indicates the strongest positive linear relationship between its X G two variables? (Choose one) (b) For which data set is the sample correlation coefficient r closest to 0? (Choose one) (c) For which data set is the sample correlation coefficient r equal to - 1? (Choose one) d) Which data set has an apparent negative, but not perfect, linear relationship between its two variables ? (Choose one)