DIAGRAM TAKENA data scientist is analyzing a dataset to determine if there is a strong...

 In the context of Business Data Analytics (IIBA®- CBDA), zero covariance between two variables indicates that there is no linear relationship between those variables. When the covariance is zero, it means the variables are independent of each other. In the provided options, graph 4 shows a random scatter of data points without any apparent trend or pattern, indicating zero covariance.

References: The explanation is in alignment with the concepts and principles outlined in IIBA’s resources on Business Data Analytics, particularly focusing on statistical analysis and data interpretation.