BYJU'S Exam Prep Lead Data Analyst Interview Questions and Answers

Question was moderate.based on logical reasoning and math.

Coding test question based on sql and python.

Q1. Question based on Window Functions in sql
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Q2. Order of execution
Ans. 
Order of execution refers to the sequence in which operations are carried out in a program or system.
• Execution starts from the top of the program and moves downwards.

• Operations within parentheses are executed first.

• Multiplication and division are executed before addition and subtraction.

• Functions are executed when they are called.

• Control structures like loops and conditionals affect the order of execution.
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Q1. Write a sql query to find out different routes for a airline. Table has two columns which are destination and source
Ans. 
Use a SQL query to find different routes for an airline based on source and destination columns in a table.
• Use a SELECT statement to retrieve the distinct combinations of source and destination.

• Use the DISTINCT keyword to ensure only unique routes are returned.

• Order the results by source and destination for easier analysis.
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Q2. Situational questions based on Business KPI
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Q1. Simple discussion on the role and company culture
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Q1. Case study question
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Q1. Basic Discussion on relocation and interest in joining the company.
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Q1. Tell me about yourself
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I am a dedicated and detail-oriented analyst with a strong background in data analysis and problem-solving.
• I have a Bachelor's degree in Statistics and have completed multiple data analysis projects during my studies.

• I am proficient in using statistical software such as R and Python to analyze and interpret data.

• I have experience in creating visualizations and reports to communicate findings to stakeholders.

• I am a quic...read more
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Q2. Why do you join our company?
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I am impressed by your company's innovative approach and strong reputation in the industry.
• I am attracted to the company's commitment to innovation and cutting-edge technology.

• I admire the company's strong reputation and track record of success.

• I believe that the company's values align with my own professional goals and aspirations.
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Q1. Technical questions mostly around sql, project based and few theoretical questions on python
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Q1. This was one of the most grilled interview i have given, require moderate level of sql understanding, was asked to share screen and solve it , also i had show how it is working then basic questions of py...read more
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Q1. Was asked basic HR questions
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Q1. The first round was a basic telephonic interview. Then simple basic SQL questions and some question based on Normalisation and DBMS were asked.
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Q1. This was the toughest Data Analyst Interview I have faced till now. Interview was of 1 hr. Required higher level of SQL understanding. Asked to share screen and then solve SQL queries. Question based on jo...read more
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Q1. Asked about the Statistics concepts hypothesis,pvalue,mean,meadian.mode,normaldistrubution?
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Q2. Sql joins questions based on three tables, complex joins
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Q1. Technical questions from hiring manager
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Q2. Reason for company change
Ans. 
Seeking new challenges and growth opportunities in a different environment.
• Desire for career advancement

• Seeking new challenges

• Change in company culture or values

• Relocation

• Better work-life balance
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