The scatterplot shown summarizes the relationship between age and body mass index (BMI), the ratio of a person's height to their weight. The data has a correlation coefficient of 0.72.

Complete the statements.
The correlation coefficient of 0.72 means there is (no relationship, a weak, positive linear relationship, or a moderately strong, positive linear relationship.) between age and BMI. Causation (can or cannot) be established in this context because there is a clear relationship between the variables or it is unknown if the study was conducted with proper controls)

1 answer

The correlation coefficient of 0.72 means there is a moderately strong, positive linear relationship between age and BMI. Causation cannot be established in this context because it is unknown if the study was conducted with proper controls.