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Air India Data Scientist Interview Questions and Answers
Air India Data Scientist Interview Experiences
3 interviews found
I applied via Walk-in and was interviewed in Mar 2024. There were 2 interview rounds.
Basic coding questions
(3 Questions)
- Q1. Explain in detail about current project? Reason for choosing the algorithm, evaluation metrics and analysis of data
- Ans.
Developed a predictive model for customer churn using logistic regression
Chose logistic regression for its interpretability and ability to handle binary outcomes
Evaluated model performance using accuracy, precision, recall, and F1 score
Analyzed customer data including demographics, purchase history, and customer service interactions
- Q2. Python and sql coding questions - basic
- Q3. Linear regression, xgboost, precision, recall, F1 Score,Correlation
I applied via Naukri.com and was interviewed in Feb 2024. There was 1 interview round.
(5 Questions)
- Q1. Picks one of the Projects to discuss the structure and methodology.
- Q2. Reverse a String
- Ans.
Reverse a given string
Use built-in functions like reverse() or slice() in Python
Iterate through the string in reverse order and append characters to a new string
Convert the string to an array of characters, reverse the array, and join it back into a string
- Q3. Basic ML Questions about Resume Projects
- Q4. What is Regularization?
- Ans.
Regularization is a technique used to prevent overfitting in machine learning models by adding a penalty term to the loss function.
Regularization helps to reduce the complexity of the model by penalizing large coefficients.
It adds a penalty term to the loss function, such as L1 (Lasso) or L2 (Ridge) regularization.
Regularization helps to improve the generalization of the model by discouraging overfitting.
Examples of re...
- Q5. Basics about Forescasting.
Skills evaluated in this interview
I applied via Recruitment Consulltant and was interviewed in Feb 2024. There were 3 interview rounds.
Hackerank Assignment
(1 Question)
- Q1. Coding and ML questions
(1 Question)
- Q1. About projects and questions related to that
Interview questions from similar companies
I applied via Approached by Company and was interviewed in Mar 2022. There were 3 interview rounds.
(1 Question)
- Q1. What kind of project you have done give some brief. How you will avoid over fiting to model. How will you handle missing data points in a data frame. Why you want to join our company.
(1 Question)
- Q1. Behavioral question was asked by manager.
(1 Question)
- Q1. CTC discussion was done
Interview Preparation Tips
I applied via Campus Placement and was interviewed in Dec 2024. There were 2 interview rounds.
(1 Question)
- Q1. Basics of linear regression
(1 Question)
- Q1. Machine learning in depth
Data Analyst Interview Questions & Answers
Safran Engineering Services India
Anonymous
posted on 10 Dec 2024
I applied via Company Website and was interviewed in Nov 2024. There was 1 interview round.
(5 Questions)
- Q1. Tell me about your self
- Ans.
I am a data analyst with a background in statistics and programming, passionate about turning data into actionable insights.
Background in statistics and programming
Experience in data analysis and visualization tools like Python, R, and Tableau
Strong problem-solving and critical thinking skills
Ability to communicate complex data findings to non-technical stakeholders
- Q2. What are your career goals
- Ans.
My career goal is to become a senior data analyst in a reputable company, where I can utilize my skills to drive data-driven decision-making and contribute to the organization's success.
Advance to a senior data analyst role
Contribute to data-driven decision-making
Work for a reputable company
Continuous learning and skill development
- Q3. What is your strength and weakness
- Ans.
Strength: Strong analytical skills, Weakness: Overthinking
Strength: Ability to analyze complex data sets and derive meaningful insights
Strength: Proficiency in data visualization tools like Tableau and Power BI
Weakness: Tendency to overthink and spend too much time on minor details
Weakness: Struggle with delegating tasks and trusting others to complete them
- Q4. Intresting role about company
- Q5. Developing skills
Interview Preparation Tips
- Self Service
I appeared for an interview in Nov 2020.
Interview Questionnaire
1 Question
- Q1. Job profile Question. Managerial skill question. Basic Engineering question.
Interview Preparation Tips
Application software know how knowledge.
(1 Question)
- Q1. Power bi project experience, basics of sql, technical documentation
(1 Question)
- Q1. Discussion related to Salary and Date of joining
manan jindal
Selected
I applied via LinkedIn and was interviewed before Oct 2023. There was 1 interview round.
(2 Questions)
- Q1. SQL question was asked
- Q2. Business acumen
I applied via LinkedIn and was interviewed before May 2021. There were 4 interview rounds.
The aptitude test is pretty basic and logical
(1 Question)
- Q1. Based on the skills and case study you have mentioned in the resume and brainstorming ques too.
(1 Question)
- Q1. Basic discussion. Simplest round.
Interview Preparation Tips
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Air India Data Scientist Interview Process
based on 3 interviews
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