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Marsh Senior Data Analyst Interview Questions and Answers
Marsh Senior Data Analyst Interview Experiences
1 interview found
I applied via Recruitment Consulltant and was interviewed in Jul 2021. There were 2 interview rounds.
(2 Questions)
- Q1. Explain feature engineering process in ML modelling
- Ans.
Feature engineering is the process of selecting and transforming relevant features from raw data to improve model performance.
Identify relevant features based on domain knowledge and data exploration
Transform features to improve their quality and relevance
Create new features by combining or extracting information from existing features
Select the most important features using feature selection techniques
Iterate the proc
- Q2. Explain classification models I used and why
- Ans.
I have used logistic regression and decision tree models for classification.
Logistic regression is a linear model used for binary classification.
Decision tree is a non-linear model used for multi-class classification.
Logistic regression is simple and easy to interpret while decision tree can handle non-linear relationships.
I chose these models based on the nature of the data and the problem at hand.
(1 Question)
- Q1. Explain Tableau Dashboard actions
- Ans.
Tableau Dashboard actions allow users to interact with the data and visualizations by clicking on specific elements.
Dashboard actions can be used to filter data, highlight specific data points, or navigate to other dashboards.
There are four types of actions in Tableau: filter, highlight, URL, and parameter.
For example, a user can click on a bar chart to filter the data in a related table or click on a map to highlight ...
Interview Preparation Tips
Some drill down on the projects and technical skills like Python/Tableau and ML.
Explain my role and what I did to improve productivity.
Skills evaluated in this interview
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Anonymous
I applied via Naukri.com and was interviewed in Aug 2020. There were 3 interview rounds.
Interview Questionnaire
2 Questions
- Q1. There were questions on the SQL. The difficulty level is not so much. The questions were not much on the techniques like Stored procedures, indexes and all but were primarily on the extracting and transfor...
- Q2. There were questions on the aptitude. Probably the intension was to understand the thought process.
Interview Preparation Tips
Interview Questionnaire
1 Question
- Q1. What is the types of research
- Ans.
Types of research include exploratory, descriptive, explanatory, and evaluative research.
Exploratory research aims to explore a topic and generate initial insights.
Descriptive research aims to describe characteristics of a population or phenomenon.
Explanatory research aims to establish cause-and-effect relationships.
Evaluative research aims to assess the effectiveness of a program or intervention.
Other types of researc...
Selected
I appeared for an interview in Feb 2025, where I was asked the following questions.
- Q1. Prepare Sql Thoroughly
- Q2. What processes do you follow to prepare API integrations and handle API errors?
- Ans.
I follow a structured approach to API integrations, focusing on preparation, error handling, and continuous improvement.
Define integration requirements: Understand business needs and data flow. Example: Integrating a payment gateway for e-commerce.
Choose the right API: Evaluate APIs based on documentation, support, and performance. Example: Selecting between REST and SOAP APIs.
Develop a clear mapping: Create a data map...
I applied via Naukri.com and was interviewed in Jul 2021. There were 4 interview rounds.
Interview Questionnaire
3 Questions
- Q1. First round was on Excel and SQL skills that go as deep as SUMIF, COUNTIF, Pivot, VLOOKUP etc. on Excel and similar versions on SQL.
- Q2. There was a round on the analytical skills where the questions were like 10 vendors supplying items with correct weights and a vendor has faulty weights etc. etc.
- Q3. A round with a technical chief to test abilities on all aspects like communication, thinking capacity, analytical, technical skills etc.
Interview Preparation Tips
I applied via Walk-in and was interviewed before Oct 2021. There were 4 interview rounds.
You have to describe the case study guides
(1 Question)
- Q1. You gavd to elaborately discuss about previous experi, technologies you are aware of
(1 Question)
- Q1. HR related question and compensation discussion
Interview Preparation Tips
I applied via Campus Placement and was interviewed in Nov 2024. There was 1 interview round.
Impact of AI in IT Industry
Interview Preparation Tips
First round will be aptitude test
(2 Questions)
- Q1. Why should I hire you
- Ans.
I have a strong analytical background, excellent problem-solving skills, and a proven track record of delivering actionable insights.
I have a degree in data analytics and relevant work experience
I am proficient in statistical analysis and data visualization tools such as Python, R, and Tableau
I have successfully completed projects where I identified trends and patterns in data to drive business decisions
- Q2. Tell me about your self
(2 Questions)
- Q1. Salary expectation
- Q2. Position of the candidate
I applied via Walk-in and was interviewed in Aug 2024. There were 2 interview rounds.
(2 Questions)
- Q1. Type of sql Joints
- Ans.
SQL Joins are used to combine rows from two or more tables based on a related column between them.
Types of SQL Joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN.
INNER JOIN returns rows when there is at least one match in both tables.
LEFT JOIN returns all rows from the left table and the matched rows from the right table.
RIGHT JOIN returns all rows from the right table and the matched rows from the left tab...
- Q2. Write DAX for create data modeling on inactive relationship?
- Ans.
Use DAX to create data modeling on inactive relationship in Power BI.
Use USERELATIONSHIP function to create an inactive relationship between two tables.
Specify the relationship between the tables and the columns to be used in the relationship.
Use CALCULATE function along with USERELATIONSHIP to perform calculations using the inactive relationship.
Duration - 60 Minutes
Topic - Advance DAX, Joints using DAX, all except all
Skills evaluated in this interview
I applied via Recruitment Consulltant and was interviewed in Oct 2023. There were 4 interview rounds.
20 min for 25 question that are related to u r profile
(3 Questions)
- Q1. They dont have knowledge about the profile asking some stupied questions
- Q2. You are working before on MNC clients
- Ans.
Yes, I have worked with MNC clients before.
I have experience working with multinational clients in my previous roles.
I have successfully managed projects for MNC clients, delivering high-quality data analysis.
I am familiar with the challenges and requirements of working with MNC clients, such as cultural differences and complex data sets.
I have collaborated with cross-functional teams to meet the specific needs of MNC ...
- Q3. They dont know this compeny is MNC asking again and again u r working in MNC
Assignment on Sales data to find revenue ,split column
(4 Questions)
- Q1. How much project you done in last year ?
- Ans.
I have completed multiple projects in the last year.
I have completed 5 projects in the last year.
One of the projects involved analyzing customer data to identify trends and patterns.
Another project focused on optimizing inventory management using data analysis techniques.
I also worked on a project that involved creating a predictive model for sales forecasting.
In addition, I collaborated on a project to analyze social ...
- Q2. After clering all rounds they arrange the salary discussion round but not done salary discussion round and not getting any response on email & call
- Q3. HR not given proper feedback about selection not getting any response on call & email
- Q4. It is so difficult to decide U r selected or not & u can wait or join another
Interview Preparation Tips
- Advanced Excel
- SQL
- Power Bi
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