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Ather Energy
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Ather Energy Data Analyst Interview Questions and Answers
Ather Energy Data Analyst Interview Experiences
1 interview found
Anonymous
I applied via campus placement at National Institute of Technology (NIT), Warangal and was interviewed in Nov 2024. There were 3 interview rounds.
Apptitude and technical mcqs
(1 Question)
- Q1. Sql queries and the projects that i have done
(1 Question)
- Q1. Normal hr round
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Shiva Aaryan
Selected
I applied via Walk-in and was interviewed before Jun 2022. There were 4 interview rounds.
I got a data set to work and bring it next day to show the visuals and reporting skills.
(1 Question)
- Q1. Few Managers took my technical Interview
(1 Question)
- Q1. CFO took final round for salary discussion
Interview Preparation Tips
I applied via Company Website
Interview Questionnaire
4 Questions
- Q1. First telephonic interview:- Asked only basic statistical concept, Basic understanding & intuition behind ML Algorithms.
- Q2. 2nd round:- They gave one Assignment, solve that & send them back
- Q3. 3rd round:- After acceptance of Assignment they will call for f2f interview they will ask your approach in assignment & some other basic questions including basic python & sql
- Q4. Final round:- With Chief Technical Officer, he is very polite just explain your previous work clearly.
Interview Preparation Tips
I applied via Naukri.com and was interviewed in Jun 2024. There was 1 interview round.
(2 Questions)
- Q1. Explain ETL process
- Ans.
ETL process involves extracting data from various sources, transforming it to fit business needs, and loading it into a target database.
Extract: Retrieve data from different sources like databases, files, APIs, etc.
Transform: Clean, filter, aggregate, and convert data to meet business requirements.
Load: Insert the transformed data into a target database or data warehouse.
Example: Extracting sales data from a CRM system...
- Q2. How to check if file is empty using python
- Ans.
Use os.path.getsize() to check if file size is 0
Use os.path.getsize() to get the size of the file in bytes
Check if the size is 0 to determine if the file is empty
Skills evaluated in this interview
(1 Question)
- Q1. How to overcome outliers
- Ans.
Outliers can be overcome by identifying and removing them or by transforming the data.
Identify outliers using statistical methods like z-scores or box plots.
Remove outliers by either deleting the data points or replacing them with a more appropriate value.
Transform the data using techniques like winsorization or log transformation to reduce the impact of outliers.
Consider the context and domain knowledge to determine t...
Interview Preparation Tips
Selected
I was interviewed before Jan 2024.
(2 Questions)
- Q1. Tell me about your self
- Q2. Dealing with technical stakeholders
Selected
I applied via Approached by Company and was interviewed in Jun 2022. There were 5 interview rounds.
(2 Questions)
- Q1. Snowflake related, database warehouse, python dataframes related
- Q2. Power BI related questions, time intelligence, DAX, PowerBI service
(1 Question)
- Q1. Manager discussion, expectation setting
(1 Question)
- Q1. About the company, Compensation expectation, benefits overview, relocation etc.
(1 Question)
- Q1. Tech stack discussion, project discussion etc.
Interview Preparation Tips
Selected
I applied via Walk-in and was interviewed before Jun 2022. There were 4 interview rounds.
I got a data set to work and bring it next day to show the visuals and reporting skills.
(1 Question)
- Q1. Few Managers took my technical Interview
(1 Question)
- Q1. CFO took final round for salary discussion
Interview Preparation Tips
I applied via Company Website
Interview Questionnaire
4 Questions
- Q1. First telephonic interview:- Asked only basic statistical concept, Basic understanding & intuition behind ML Algorithms.
- Q2. 2nd round:- They gave one Assignment, solve that & send them back
- Q3. 3rd round:- After acceptance of Assignment they will call for f2f interview they will ask your approach in assignment & some other basic questions including basic python & sql
- Q4. Final round:- With Chief Technical Officer, he is very polite just explain your previous work clearly.
Interview Preparation Tips
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Ather Energy Data Analyst Interview Process
based on 1 interview
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