Tell us about your experience as a data analyst and how you have used data to drive business decisions in your previous roles. How do you approach data cleaning and data validation to ensure data accuracy and integrity? Explain the process of data extraction and transformation that you have used in your previous projects. What tools and programming languages are you proficient in for data analysis, and which one do you prefer using? Can you explain the differences between descriptive, diagnostic, predictive, and prescriptive analytics?
