PharmEasy Senior Business Analyst Interview Questions and Answers

SQL and Tableau were asked. 4 questions each.

Case study was asked related to covid

SQL case study - tough questions

Q1. Culter fit and Hr round
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Q1. Questions on SQL joins, window functions etc.
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8 SQl questions of easy, medium and hard diffiulty

Q1. SQL Question on join
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Q2. SQL question on window funtions
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Q1. SQL Theory - joins, order of execution, window functions
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Q2. Hands-on SQL - handling corner cases, solving practical problems
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Q3. Python/Excel (if on resume). Important functions and packages e.g. (VLOOKUP, pandas, etc.)
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Q4. Data visualization - basic understanding of storytelling with data, when to use what visualization
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Q5. Schema design (if having experience) - what factors to consider, normalization, fact vs transaction tables
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Q1. Basic stats - central tendencies, distributions, skewness, outlier detection
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Q2. Experiment design, hypothesis testing
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Q3. Analytical case studies - how to solve problems and when to apply different approaches such as segmentation, clustering, forecasting, etc.
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Open-ended case study to understand your approach and considerations. Use common sense, explain your thinking and be rigorous. Can come from any field but does not require field-intensive knowledge

Q1. Personality questions, motivations, company culture fit
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Q2. Can re-touch on anything from previous round
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Q3. In-depth exploration of any project or skill on resume
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Number sires, clock, logic, arithmetic, geometry

Code test basic, ans the basic knowledge, write code

Q1. What is python?
Ans. 
Python is a high-level programming language known for its simplicity and readability.
• Python is widely used for web development, data analysis, artificial intelligence, and scientific computing.

• It emphasizes code readability and uses indentation to define code blocks.

• Python has a large standard library and a vibrant community of developers.

• Example: print('Hello, World!')

• Example: import pandas as pd
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Q2. What is python used for?
Ans. 
Python is a versatile programming language used for data analysis, web development, artificial intelligence, automation, and more.
• Data analysis and visualization

• Web development (Django, Flask)

• Artificial intelligence and machine learning (TensorFlow, PyTorch)

• Automation and scripting

• Scientific computing (NumPy, SciPy)
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Q3. What type of language is python?
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Python is a high-level programming language known for its simplicity and readability.
• Python is an interpreted language, meaning it does not need to be compiled before running.

• It supports multiple programming paradigms, including object-oriented, imperative, and functional programming.

• Python has a large standard library and a thriving community, making it versatile and widely used.

• Example: Python is used for web develop...read more
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Q4. What is oops in python?
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Object-oriented programming (OOP) is a programming paradigm based on the concept of 'objects', which can contain data and code.
• OOP allows for the organization of code into reusable components called classes.

• Classes can have attributes (variables) and methods (functions) associated with them.

• In Python, everything is an object, and classes can be defined using the 'class' keyword.

• Encapsulation, inheritance, and polymorph
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Q5. What is array in python?
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An array in Python is a data structure that stores a collection of elements of the same type.
• Arrays can store elements such as integers, floats, or strings.

• Arrays are indexed starting from 0, with elements accessed using their index.

• Example: arr = ['apple', 'banana', 'cherry']
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