Below are four bivariate data sets and their scatter plots
Last updated: 4/14/2023
Below are four bivariate data sets and their scatter plots Note that all of the scatter plots are displayed with the same scale Each data set is made up of sample values drawn from a population x y 1 0 7 6 2 0 5 3 3 0 9 6 4 0 6 3 5 0 2 5 10 6 0 4 7 7 0 8 7 8 0 3 9 9 0 9 6 10 0 6 9 Figure 1 X W t 1 0 7 9 2 0 6 7 3 0 8 0 4 0 6 3 5 0 7 0 6 0 4 4 7 0 4 7 8 0 3 8 9 0 4 4 10 0 3 2 Figure 3 0 X X H X to X X x X x DH 22 V 1 0 7 2 2 0 9 3 3 0 7 0 4 0 5 2 5 0 7 8 6 0 5 1 7 0 4 7 8 0 7 3 104 772 71 1 0 2 5 2 0 4 4 3 0 3 2 4 0 4 8 5 0 4 8 6 0 7 0 7 0 6 1 8 0 7 4 64 3H 44 34 TH 0 9 0 6 0 10 0 3 8 Figure 2 102 b For which data set is the sample correlation coefficient r equal to 1 X TE 9 0 7 0 10 0 8 0 Figure 4 X X a Which data set indicates the strongest negative linear relationship between its two variables Choose one X XX xx X X 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 X X Espa ol 80 B