ZIGRAM Analyst Interview Questions and Answers

Q1. Machine Learning-related stuff: Confusion Matrix, R2 score, etc.. Also, Python & Statistics.
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Q2. Explain any one project.
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Q3. Difference between Data Analyst and Data Scientist.
Ans. 
Data Analyst focuses on analyzing data to provide insights, while Data Scientist focuses on using advanced algorithms and machine learning to predict future trends.
• Data Analyst focuses on analyzing data to provide insights for decision-making.

• Data Scientist focuses on using advanced algorithms and machine learning to predict future trends.

• Data Analyst typically works with structured data, while Data Scientist works wit...read more
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SQL test has been conducted nearer to 12-15 questions.

Q1. Normal discussion, about salary negotiation
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Q2. Asked about my past company experience
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Q1. The HR will keep on telling you what the company is, what the company does, how much they make per year, where they are located, and all history and stuff.
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A video file which you need to hear and transcribe or translate into a preferred language.

Q1. Interview with reporting/project manager.
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Q2. Your personal details
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Q3. Educational and professional qualifications
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Q4. Your CTC related information.
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Q1. Write a query to extract unique values?
Ans. 
Query to extract unique values
• Use the SELECT DISTINCT statement in SQL to retrieve unique values from a table

• For example, SELECT DISTINCT column_name FROM table_name;

• In Python, you can use the set() function to extract unique values from a list or array
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Q1. Previous role and projects
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Q1. About work experience
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Q2. About education
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