Data Analyst Interview Questions | Data Analyst Interview Questions and Answers | MindMajix

Ace your Data Analyst interview. This video covers Data Analyst interview questions and answers for freshers and experienced candidates. Learn about data cleaning, data visualization, SQL queries, statistical analysis and more. We'll cover everything from basic to advanced and scenario-based questions to help you clear data analysis interview.

👉 Below are the concepts we covered in this video on Top 30 Data Analyst Interview Questions and Answers:
✅ Data Analyst Interview Questions For Freshers:
00:00:00 Introduction
00:01:21 what are the key responsibilities of a data analyst
00:03:07 what is the difference between data, information and insight
00:04:25 your manager gives you a messy dataset with missing values and duplicate rows. What steps will you take
00:05:22 what is the difference between structured and unstructured data
00:06:19 your business team ask for a quick analysis of weekly sales trends. How will you approach this
00:07:58 what is exploratory data analysis
00:08:46 Your datasets has outliers that are affecting your average results. What will you do
00:09:30 What is the difference between a primary key and foreign key
00:10:23 You are asked to check whether marketing campaigns are driving more website traffic. How will you analyze it
00:11:13 What is the difference between OLTP and OLAP systems

✅ Data Analyst Interview Questions For 1 year Experienced
00:11:59 What is the difference between INNER JOIN, LEFT JOIN, REIGHT JOIN and FULL JOIN in SQL
00:13:33 You are asked to calculate customer retention for a subscription based company. How will you approach this
00:14:28 What are KPIs and why are they important for data analysis
00:15:07 Your dashboad is showing incorrect results, but your SQL queries look fine. How will you troubleshoot
00:15:56 Explain the concept of data normalization in databases
00:16:35 A business leader ask why revenue is declining in the past quarter. How will you analyse this.
00:17:34 What is data cleaning and why is it important.
00:18:12 You are asked to identify top 5 products driving sales in different regions. How will you solve this
00:18:51 What is the difference betwenn data warehouse and data lakes
00:19:25 You notice that customer churn is higher among mobile app users compared to website users. How will you investigate this

✅ Advanced Data Analyst Interview Questions
00:20:20 What is A/B testing and how can it hep businesses
00:21:03 Your company wants to test whether offering free shipping increases sales. How will you design this experiment.
00:22:46 What is regression analysis and where is it used
00:23:21 Your manager wants to know if ad spend directly impacts revenue. How will you prove it
00:24:05 What are ETL processes and why are they important in data analysis
00:24:46 You are analyzing time series sales data. How will you forecast future sales
00:25:30 What is the difference betwenn descriptive, diagnostic, predictive and prescriptive analysis
00:27:58 You asked to identify the key drivers of customer churn. How will you approach this
00:28:42 What are data governance and data quality and why are they important.
00:29:17 You are asked to design a dashboard for senior leadership. What principles will you follow

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✅ About MindMajix's Data Analyst Training:
Data analyst training by MindMajix introduces you to various types of data analytics, including descriptive, diagnostic, predictive, and prescriptive analytics. The training equips you to collect, preprocess, and clean data. You will learn to work with visualization tools such as histograms and box plots. You will get familiar with data modeling, including database design principles. The training equips you with expertise in Excel, Power BI, Python, Tableau, and SQL.

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