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Samsung Data Analyst Interview Questions, Process, and Tips
Top Samsung Data Analyst Interview Questions and Answers
- Q1. How to Work with dynamic data, how to remove duplicate data or fix the data
- Q2. Difference between formula and a function
- Q3. Rate yourself in ADVANCED EXCEL, AND SQL
Samsung Data Analyst Interview Experiences
5 interviews found
Anonymous
Skil set for My relevant job update
Communication discussion
(2 Questions)
- Q1. About My profile and knowledge
- Q2. About My attitude and experience
(1 Question)
- Q1. Excel formula and macro MS word and PowerPoint dashboard advanced Excel and power bi
I applied via Recruitment Consulltant and was interviewed in Jun 2024. There were 2 interview rounds.
(2 Questions)
- Q1. Tell me about the project you have worked recently
- Ans.
Developed a predictive analytics model to forecast customer churn for a telecom company
Used Python and SQL to clean and analyze customer data
Implemented machine learning algorithms such as logistic regression and random forest
Evaluated model performance using metrics like accuracy, precision, and recall
- Q2. What kind of forecasting have you done
- Ans.
I have experience in time series forecasting using statistical models and machine learning algorithms.
Utilized ARIMA model to forecast sales data for a retail company
Implemented Prophet algorithm to predict stock prices for a financial institution
Used LSTM neural network for demand forecasting in supply chain management
Excel assessment- was made to make a report from multiple sheets
(1 Question)
- Q1. Couple of leetcode medium questions (i think it was around 3 questions) and they had their own platform
I applied via LinkedIn and was interviewed before Apr 2022. There were 2 interview rounds.
The diagonals AC and BD of a cyclic quadrilateral ABCD intersect each other at the point P. Then, it is always true that
(2 Questions)
- Q1. Nding Now DSA Data Structures Algorithms Interview Preparation Data Science Topic-wise Practice C C++ Java JavaScript Python Competitive Programming Machine Learning Aptitude Write & Earn Web Development P...
- Q2. Everything you need to know about the job-search process itself.nding Now DSA Data Structures Algorithms Interview Preparation Data Science Topic-wise Practice C C++ Java JavaScript Python Competitive Prog...
Interview Preparation Tips
Samsung interview questions for designations
Interview Questionnaire
3 Questions
- Q1. Rate yourself in ADVANCED EXCEL, AND SQL
- Ans.
I rate myself 8/10 in Advanced Excel and 9/10 in SQL.
Advanced Excel: proficient in pivot tables, VLOOKUP, macros, and data visualization
SQL: skilled in writing complex queries, joins, subqueries, and stored procedures
Experience in using Excel and SQL together to analyze large datasets
- Q2. How to Work with dynamic data, how to remove duplicate data or fix the data
- Ans.
To work with dynamic data, remove duplicates and fix errors, use data cleaning techniques.
Use software tools like OpenRefine or Excel to clean data
Identify and remove duplicate data using unique identifiers
Fix errors by standardizing data formats and using regular expressions
Use data validation to ensure accuracy and completeness
Create a data cleaning plan and document all changes made
Test the cleaned data to ensure it
- Q3. Difference between formula and a function
- Ans.
Formula is a mathematical expression while function is a pre-built formula that performs a specific task.
Formula is a combination of mathematical operators and values used to calculate a result.
Function is a pre-built formula that performs a specific task, such as finding the average of a range of numbers.
Formulas can be customized and modified, while functions are fixed and cannot be changed.
Examples of functions incl
Interview Preparation Tips
Skills evaluated in this interview
Top trending discussions
Interview questions from similar companies
James Stalon
(2 Questions)
- Q1. Sql rank order explain
- Ans.
SQL rank order function explanation
Rank order function in SQL assigns a rank to each row based on a specified column
It can be used to determine the top or bottom N records in a dataset
Example: SELECT column1, column2, RANK() OVER (ORDER BY column3 DESC) AS rank_order FROM table_name
- Q2. Merging two tables
- Ans.
Merging two tables involves combining data from both tables based on a common key.
Identify a common key between the two tables
Use SQL JOIN statements to merge the tables
Choose the appropriate type of join (e.g. inner join, outer join)
Consider the size of the tables and the performance implications of the merge
Skills evaluated in this interview
Divya Shree
(2 Questions)
- Q1. What is join in sql
- Ans.
Join in SQL is used to combine rows from two or more tables based on a related column between them.
Join is used to retrieve data from multiple tables based on a related column
Types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN
Example: SELECT * FROM table1 INNER JOIN table2 ON table1.column = table2.column
- Q2. What is primary key
- Ans.
Primary key is a unique identifier for each record in a database table.
Primary key ensures each record in a table is uniquely identified
It must contain unique values and cannot have NULL values
Primary key can be a single column or a combination of columns
Example: 'ID' column in a 'Users' table can be a primary key
Skills evaluated in this interview
Selected
(1 Question)
- Q1. Asked to create a power bi dashboard
(1 Question)
- Q1. Had coding test on SQL and Python
1 hour baisc on general aptitude
Interview Preparation Tips
I applied via Naukri.com and was interviewed in Oct 2024. There were 2 interview rounds.
It was simple but lengthy
(2 Questions)
- Q1. Tell me about yourself
- Ans.
I am a data analyst with a strong background in statistics and data visualization.
Graduated with a degree in Statistics
Proficient in programming languages like Python and R
Experience in analyzing large datasets and creating data visualizations
Strong problem-solving skills
- Q2. About resume and technical
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Samsung Data Analyst Interview Process
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