Corsearch Research Analyst Interview Questions and Answers

There were 48 questions to be done in 60 minutes.
the platform used was below average.
about 1400 gave the test

The Next round was a GD.
about 250 were shortlisted.
it was held in groups of 10 - 13.
there were 2 Panelists observing the body language, the fluency and time you speak for.
It is very important that you either start or conclude the GD.
leaves a good impression.

Q1. Tell me about yourself
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Q2. What is Data Analysis?
Ans. 
Data analysis is the process of inspecting, cleaning, transforming, and modeling data to discover useful information.
• It involves collecting and organizing data

• It includes statistical analysis and visualization

• It helps in making informed decisions

• Examples include market research, financial analysis, and scientific research
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Q3. SQL Queries using Joins and sub-queries
Ans. 
SQL Queries using Joins and sub-queries
• Joins are used to combine rows from different tables based on a related column

• Sub-queries are queries nested within another query

• Joins and sub-queries can be used together to retrieve specific data from multiple tables
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Q4. Many questions about projects mentioned in the resume.
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Q5. Estimation and probability questions were asked to see the way you approach a question logically.
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Q1. Tell me about Yourself
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Q2. Again Questions based on resumes
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Q3. Some Regular HR Questions like why latent view, where to do you yourself in 5 years.....etc.
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Q4. Any questions for me?
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Aptitude test :Numerical,Logical and Behavioral

Group discussion - Conducted among 6-12 people

Q1. Introduction,Guesstimates & basic programming
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Q1. Project explanation:Final year project
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Q1. General HR discussion: Intro,Reasons for joining here
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Basic coding questins

Q1. All based on my project
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General aptitude questions

Was given a topic and asked to talk about for 2 mins

Q1. Why LatentView?
Ans. 
LatentView offers a dynamic work environment with opportunities for growth and learning in the field of analytics.
• LatentView has a strong reputation in the analytics industry for delivering innovative solutions to clients.

• The company values continuous learning and development, providing employees with opportunities to enhance their skills.

• LatentView offers a collaborative work culture where employees can work on divers...read more
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Q2. What do you expect from us?
Ans. 
I expect a supportive work environment, opportunities for growth, and clear communication.
• Supportive work environment where I can collaborate with team members

• Opportunities for growth and advancement within the company

• Clear communication regarding expectations, feedback, and goals
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Aptitude test was easy, you can prepare it with online available resources

We were asked to complete few games which were related to logical thinking

It was a common topic and was 1 hour long

Q1. They asked basic sql question like joins, windows function, subqueries. Also they asked one guestimate and a case study. Guestimate- No. of IPhone stores in delhi Case study - How to increase the profit of...read more
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Worst experience company is not so good

Q1. What is object oriented programming
Ans. 
Object oriented programming is a programming paradigm based on the concept of objects, which can contain data and code.
• OOP focuses on creating objects that interact with each other to solve problems

• Encapsulation, inheritance, and polymorphism are key principles of OOP

• Examples of OOP languages include Java, C++, and Python
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Q2. Questions on data structute
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4 SQL questions, complexity 7/10

Q1. Previous projects
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Q2. In and around ML models
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Q1. Usual, simple behavioural
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Q2. Expected package
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Topics will be mainly SQL and few python questions. Duration-3min to 1hr

Q1. What is CLT theorem and what are its uses
Ans. 
CLT theorem states that the distribution of sample means approaches a normal distribution as sample size increases.
• Central Limit Theorem (CLT) is a fundamental concept in statistics that states that the distribution of sample means approaches a normal distribution as the sample size increases.

• It is used in hypothesis testing, confidence intervals, and in estimating population parameters.

• CLT is essential in making infer...read more
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Q2. Asked to write SQL queries which uses join and window functions
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Q3. Explain ML Data preparation and EDA steps in detail. What are major steps in preprocessing
Ans. 
ML data preparation involves cleaning, transforming, and organizing data for analysis. EDA involves exploring and visualizing data to understand its characteristics.
• Data cleaning: removing missing values, handling outliers, and dealing with duplicates

• Data transformation: encoding categorical variables, scaling numerical features, and creating new features

• Data organization: splitting data into training and testing sets,...read more
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Q1. Mainly interviewer checked how sound I was in different concepts like statistics, ML
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Q2. Asked simple DL questions
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Q3. Guestimates- like how much milk is consumed in your city on average. Give an estimate and show your structured way of arriving at that value
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Q1. Why you want to join our comany?
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Q2. What made you leave your previous organization
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Q3. Salary negotations
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