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Toluna Senior Data Analyst Interview Questions and Answers for Experienced
1 interview found
Anonymous
Selected
I applied via Walk-in and was interviewed in Dec 2022.
3 Interview Rounds
Resume Shortlist Round
Aptitude Test Round
Presence of mind, logical approach, problem solving attitude, flexibility
Technical Round (2 Questions)
- Q1. Approach to solve the scenario. Add Answer
- Q2. Awareness of the things. Add Answer
Interview Preparation Tips
- intellegenc
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I applied via Naukri.com and was interviewed before Dec 2019.
4 Interview Rounds
Interview Questions
- Q1. Some questions related to project executed in past,advanced Excel functionality (vlookup limitation,offset,advanced filter),basic SQL(joins and window function)...read more
Add Answer
Interview Preparation Tips
Selected
I applied via Referral and was interviewed in May 2024.
3 Interview Rounds
Coding Test Round
I was asked to write SQL queries for 3rd highest salary of the employee, some name filtering, group by tasks.
Python code to find the index of the maximum number without using numpy.
One-on-one Round (1 Question)
- Q1. Explain the Project undertaken during the research and follow-up questions Add Answer
Technical Round (1 Question)
- Q1. Write pandas query to separate the names as first and last name from the full name. Drop the duplicate columns and also the missing values. Write output for the...read more View Answers (1)
Interview Preparation Tips
- Python
- Pandas
- SQL
- Machine Learning
Skills evaluated in this interview
I applied via Approached by Company and was interviewed in Oct 2023.
3 Interview Rounds
HR Round (1 Question)
- Q1. Basic questions based on resume Add Answer
One-on-one Round (1 Question)
- Q1. On skills mentioned in resume Add Answer
Technical Round (1 Question)
- Q1. Asked scenario based questions Add Answer
Interview Preparation Tips
Selected
3 Interview Rounds
Aptitude Test Round
Basic aptitude question from rs aggarwal book.
Coding Test Round
Basic questions on python loops
Group Discussion Round
Try to put foeth yiur point as there will 13 people in a panel
Selected
I applied via Recruitment Consulltant and was interviewed in Apr 2024.
1 Interview Round
Coding Test Round
SQL, Python coding …
Selected
I applied via AmbitionBox and was interviewed in May 2023.
4 Interview Rounds
Resume Shortlist Round
Aptitude Test Round
Mathametics and statistics besed on the subject .
Group Discussion Round
This test also i interested.
Technical Round (2 Questions)
- Q1. I knlw the statistical technical skill. Add Answer
- Q2. Data analysis with statistical tools View Answers (1)
Skills evaluated in this interview
Selected
I applied via Referral and was interviewed before May 2023.
2 Interview Rounds
Technical Round (1 Question)
- Q1. Sql, Python programming Questions View Answers (1)
Technical Round (1 Question)
- Q1. Retail, CPG based case study questions like offer allocation method for loyal customers Add Answer
4 Interview Rounds
Assignment Round
Number of questions were asked over given dataset
Technical Round (1 Question)
- Q1. Discussion over the earlier projects, some python and SQL questions. Add Answer
Technical Round (1 Question)
- Q1. Managerial round , discussion over data analytics and real world data analysis problems Add Answer
Technical Round (1 Question)
- Q1. About background ,yourself,why changing job,family and salary negotiations Add Answer
Interview Preparation Tips
Selected
I applied via Naukri.com and was interviewed in Oct 2023.
4 Interview Rounds
Coding Test Round
Sql, python, Statistics mcq, Aptitude test. These were medium level questions.
Technical Round (3 Questions)
- Q1. SQL and python, time complexity Add Answer
- Q2. Make 2 lists a=[1,2,3,4] b=[9,8,5,5,2,3,3,4,1,1,10,9,2,3,4,10,10,9,7,7,8] Write a program to remove duplicate of b and keep only those elements of b which are n...read more View Answers (2)
- Q3. SQL question
Remove duplicate from a table tab1 View Answers (2)
Case Study Round
Given 2 case studies on data science and asked different possibilities to improve the models.
How to work with imbalance dataset.
How to remove null values, what is features engineering.
What is PCA
What is the working of XGBOOST
Project discussion Round (1 Question)
- Q1. What was last project, tell me in detail.
There were different technical questions related to my project Add Answer
Interview Preparation Tips
All the metrics of evaluating a model.
Linear regression, logestic regression, random forest, decission tree, adaboost, Gradient boosting, XGb in detail.
Recall, precision roc_curve. Auc, f1 score, mse,mae, r2, adjusted r2 score.
Is it possible that r2 score appears in minus
Skills evaluated in this interview
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