What is data cleaning and why is it important in data analysis?
Very hard difficulty
Very-hard questions are the ultimate test of your expertise and preparation. They demand not just knowledge, but creativity and strategic thinking, often addressing unique or highly technical aspects of your field.
Technical question
Technical questions probe into your industry-specific knowledge and skills. They require precise answers and are an opportunity to show your expertise and practical abilities in your field.
Here's a hint
When answering, explain what data cleaning is and highlight its significance in ensuring accuracy and reliability in data analysis. Mention common steps involved, like handling missing data and correcting errors.
Companies asking this question
115 companies on interview.study have asked this question in the past year.
