Preparing for a data analyst interview involves studying a range of technical and behavioral questions. Interviewers may assess your technical skills, problem-solving abilities, and how well you communicate complex concepts. Here are some top data analyst interview questions that you might encounter:

Technical/Data Analysis Questions:

• What is data analytics, and why is it important in business?
  

Explain the data analysis process.

What is the difference between descriptive, diagnostic, predictive, and prescriptive analytics?

How do you handle missing data in a dataset?

What is data normalization, and why is it important?

What are outliers in data, and how do you identify and deal with them?

What is the central limit theorem, and how does it relate to statistics and sampling?

What is the difference between correlation and causation?

Explain the concept of A/B testing. How would you design an A/B test?

What are some common data visualization techniques, and when would you use each one?

What is SQL, and how would you retrieve specific data from a relational database using SQL queries?

How do you perform regression analysis, and what are its applications?

Explain the concept of overfitting in machine learning. How can you prevent it?

What is clustering, and when is it useful in data analysis?

How would you assess the quality and reliability of a dataset?

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