Whenever you're ready, walk me through how you'd approach this.
Explain a time when you had to deal with messy data.
Asked in the Technical Screening stage. Behavioral evaluation. The interviewer is looking for how you handled ambiguity, validated assumptions, and decided what to trust when the data was incomplete, inconsistent, or noisy. A strong answer should show how you prioritized cleanup, communicated uncertainty, and still delivered a useful outcome.