shown below are the scatter plots for four data sets. answer the questions that follow. (a) which data set…

shown below are the scatter plots for four data sets. answer the questions that follow. (a) which data set appears to show a positive linear relationship between its two variables? (choose one) (b) which data set appears to show a negative linear relationship between its two variables? (choose one) (c) which data set appears to show no relationship between its two variables? (choose one) (d) which data set appears to show a nonlinear relationship between its two variables? (choose one)
Answer
Explanation:
Step1: Identify positive linear relationship
In a positive - linear relationship, as the x - value increases, the y - value also increases in a linear fashion. In Figure 1, the points generally move upwards from left to right, indicating a positive linear relationship.
Step2: Identify negative linear relationship
In a negative - linear relationship, as the x - value increases, the y - value decreases in a linear fashion. In Figure 3, the points generally move downwards from left to right, indicating a negative linear relationship.
Step3: Identify no relationship
In a data - set with no relationship, the points are scattered randomly with no discernible pattern. In Figure 4, the points are randomly placed, showing no relationship.
Step4: Identify nonlinear relationship
In a nonlinear relationship, the points follow a non - straight - line pattern. In Figure 2, the points form a curved pattern, indicating a nonlinear relationship.
Answer:
(a) Figure 1 (b) Figure 3 (c) Figure 4 (d) Figure 2