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Morningstar Junior Data Analyst Interview Questions, Process, and Tips
Morningstar Junior Data Analyst Interview Experiences
1 interview found
I applied via Naukri.com and was interviewed in Jun 2022. There were 4 interview rounds.
(4 Questions)
- Q1. What is the main difference between data mining and data analysis?
- Ans.
Data mining involves discovering patterns and relationships in large datasets, while data analysis focuses on interpreting and drawing insights from data.
Data mining is the process of extracting useful information from large datasets.
Data analysis involves examining and interpreting data to draw conclusions and make informed decisions.
Data mining uses techniques like clustering, classification, and association to disco...
- Q2. What is data validation?
- Ans.
Data validation is the process of ensuring that data is accurate, complete, and consistent.
Data validation involves checking data for errors, inconsistencies, and anomalies.
It helps to ensure data quality and reliability.
Validation can be done through various techniques such as range checks, format checks, and cross-field validation.
Examples of data validation include verifying that a phone number has the correct numbe...
- Q3. Explain the main steps involved in data analysis ?
- Ans.
Data analysis involves several steps including data collection, data cleaning, data exploration, data modeling, and data visualization.
Data collection: Gathering relevant data from various sources.
Data cleaning: Removing any errors, inconsistencies, or missing values from the data.
Data exploration: Analyzing the data to understand its characteristics and identify patterns or trends.
Data modeling: Applying statistical o...
- Q4. Explain what data cleansing is
- Ans.
Data cleansing is the process of identifying and correcting or removing errors, inconsistencies, and inaccuracies in datasets.
Data cleansing involves identifying and handling missing values in datasets.
It also includes removing duplicate records or entries.
Data cleansing may involve correcting spelling mistakes or formatting issues in data.
It helps improve data quality and reliability for analysis and decision-making.
E...
(1 Question)
- Q1. Why do you want to work at our company
Assignments based on data analyst
Interview Preparation Tips
Skills evaluated in this interview
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Business Analyst Interview Questions & Answers
TSYS|Total System Services
Anonymous
posted on 10 Dec 2020
I applied via Naukri.com and was interviewed in Jun 2020. There were 3 interview rounds.
Interview Questionnaire
2 Questions
- Q1. Usecases about how did you handle such situations
- Q2. They asked about the skills mentioned in my resume
Interview Preparation Tips
(1 Question)
- Q1. Basic Introduction and work experience
(2 Questions)
- Q1. In depth discussion about the job role and requirements
- Q2. Why choosing this role and skills you have
- Ans.
I chose this role because of my passion for analyzing data and problem-solving skills.
I have a strong background in data analysis and problem-solving from my previous roles.
I enjoy working with data and finding insights to drive business decisions.
I have excellent communication skills to effectively collaborate with stakeholders and translate data into actionable insights.
I applied via Recruitment Consultant and was interviewed in Jul 2021. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. Data manipulation using pandas and SQL
- Ans.
Data manipulation using pandas and SQL
Pandas is a Python library used for data manipulation and analysis
SQL is a language used for managing relational databases
Pandas can read data from SQL databases using the read_sql() function
Data can be filtered, sorted, grouped, and aggregated using pandas functions
SQL queries can be executed using pandas' read_sql_query() function
Interview Preparation Tips
Skills evaluated in this interview
(1 Question)
- Q1. Technical.purely
(1 Question)
- Q1. Purely tech..and then you present a dashboard on power bi
I applied via LinkedIn and was interviewed in Aug 2023. There were 2 interview rounds.
Simple and basic coding knowledge is enough to clear this round
(2 Questions)
- Q1. Technical questions
- Q2. Varied based on person
Interview Preparation Tips
- Python
- C++
- Java
- Communication Skills
Business Analyst Interview Questions & Answers
TSYS|Total System Services
Anonymous
posted on 18 Mar 2024
Selected
I applied via Approached by Company and was interviewed before Mar 2023. There were 3 interview rounds.
(1 Question)
- Q1. Past experience queries and some tech questions related to past projects
(1 Question)
- Q1. Some mainframe, CIBIL and db2 questions
(1 Question)
- Q1. General questions
(2 Questions)
- Q1. What were your biggest weaknesses
- Q2. Tell me about a time when you went above and beyond
- Ans.
I volunteered to work overtime to complete a critical project ahead of schedule.
Offered to work extra hours to meet project deadline
Took on additional tasks to ensure project success
Collaborated with team members to streamline processes and improve efficiency
I applied via Campus Placement and was interviewed in Feb 2024. There were 2 interview rounds.
30 questions: aptitude ,output questions, 3 coding questions
Mostly to connect front end and backend
Interview Preparation Tips
- datastructures
- heap
I applied via Naukri.com and was interviewed in Mar 2024. There were 2 interview rounds.
Top 7 th employee salary
Find Duplicates
(3 Questions)
- Q1. Trigger Stored procedure
- Ans.
A trigger is a special type of stored procedure that is automatically executed when certain events occur in a database.
Triggers are used to enforce business rules, maintain data integrity, and automate tasks.
They can be set to execute before or after INSERT, UPDATE, or DELETE operations on a table.
For example, a trigger can be created to update a log table whenever a new record is inserted into a main table.
- Q2. Gateway Different modes in power bi
- Ans.
Power BI has different modes like View, Edit, and Data Source.
View mode allows users to interact with reports and dashboards
Edit mode enables users to modify existing reports and create new ones
Data Source mode allows users to connect to and manipulate data sources
- Q3. Nothing to get importance no words
Skills evaluated in this interview
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