oo (a) (10 points) General Short Answer [3] Which distance metric would best describe this: How far is the drone from its target location in a three-dimensional space? Justify your answer. [3] What is the definition of correlation? If variables X and Y have a correlation of -0.85 while variables Y and Z have a correlation of 0.5, What claims can yvou draw? Justify yvour answer. [4] An online retail store notices that some customers appear multiple times in their customer database, which leads to issues with order tracking and personalized marketing. This might encounter duplicate data. What could have caused the data to be duplicated? How would it be detected? Provide a solution to resolve the duplication. (b) (6 points) Noise and Outliers [2] In your own words, explain what is noise. Can noise ever be desirable? If so, give an example when it is desirable. If not, provide an explanation of why not. [2] In your own words, explain what is an outlier. How could outliers be detected? How do outliers differentiate from noise? [2] During a financial audit, you notice unusual patterns in transaction records for a specific account. Upon further investigation, you discover a series of transactions with abnormally high values compared to the account's typical activity, Discuss with an auditor, who suspects fraudulent activity in the account. Analyze whether these high-value transactions represent noise in the dataset or outliers. Justify vour conclusion considering the potential impact of frandulent transactions on the overall dataset