Add office photos
Filter interviews by
Conversion Electromechanical Co. LLC Data Science Analyst Interview Questions and Answers
Be the first one to contribute and help others!
Interview questions from similar companies
Anonymous
I applied via Job Fair
(51+52+53+......+100) =
(4 Questions)
- Q1. M.s excel , red hat ,
- Q2. Introdution M.s word
- Q3. Linux , git , mavel , nexus.
- Q4. Sonar cube , aws , super putty.
Interview Preparation Tips
lokesh kumar
Selected
I applied via Campus Placement and was interviewed before May 2023. There were 2 interview rounds.
(1 Question)
- Q1. Experience with python, sql, powerbi
- Ans.
Proficient in Python, SQL, and PowerBI for data analysis and visualization.
Extensive experience using Python for data manipulation and analysis
Strong SQL skills for querying databases and extracting relevant information
Proficient in creating interactive dashboards and reports using PowerBI
Ability to integrate Python scripts with PowerBI for advanced analytics
Experience in data visualization techniques to communicate in
(3 Questions)
- Q1. SQL join, table, view concepts, Python basics for EDA, Missing value treatment
- Q2. Data transformation
- Q3. Write code to find anagram
- Ans.
Code to find anagrams in an array of strings
Iterate through the array of strings
Sort each string alphabetically
Check if the sorted strings are equal to identify anagrams
Skills evaluated in this interview
Selected
I applied via campus placement at National Institute of Technology (NIT), Tiruchirappalli and was interviewed before May 2023. There were 2 interview rounds.
Normal aptitude question mixed with some codding questions
(2 Questions)
- Q1. Based on your resume only
- Q2. Prepare your project very well.
I applied via Approached by Company and was interviewed in Jun 2022. There were 3 interview rounds.
(1 Question)
- Q1. Details of interview person and family details and address and personal information and other study performance Ramya mother father brother Borigama inchoda
(2 Questions)
- Q1. How to do work yours
- Q2. Hiw to do spend time
Interview Preparation Tips
I applied via Campus Placement and was interviewed in Apr 2021. There were 3 interview rounds.
Analytics - Regression model case study
(1 Question)
- Q1. Questions were based on the case study and few questions were on generic Analytics
Interview Preparation Tips
Selected
I applied via campus placement at Indian Institute of Technology (IIT), Mumbai and was interviewed before May 2023. There was 1 interview round.
(2 Questions)
- Q1. Python list addition
- Q2. Simple sql query questions
Selected
I applied via Naukri.com and was interviewed before Apr 2023. There were 2 interview rounds.
Asked some puzzles and guesstimate questions
(1 Question)
- Q1. Asked questions related to past projects
Interview Questionnaire
5 Questions
- Q1. What is precision and recall?
- Ans.
Precision and recall are two metrics used to evaluate the performance of a classification model.
Precision measures the proportion of true positives among all positive predictions.
Recall measures the proportion of true positives among all actual positives.
Both metrics are important in different scenarios, depending on the cost of false positives and false negatives.
For example, in a medical diagnosis scenario, recall ma...
- Q2. What is normalization and standardization
- Ans.
Normalization and standardization are techniques used to transform data into a common scale.
Normalization scales the data between 0 and 1, making it easier to compare different features.
Standardization transforms the data to have a mean of 0 and standard deviation of 1, making it easier to compare different samples.
Normalization is useful when the scale of the features varies widely, while standardization is useful whe...
- Q3. What is variance and standard deviation
- Ans.
Variance and standard deviation are measures of spread or dispersion of a dataset.
Variance is the average of the squared differences from the mean.
Standard deviation is the square root of variance.
They are used to understand the distribution of data and to compare different datasets.
Higher variance or standard deviation indicates more spread or variability in the data.
Lower variance or standard deviation indicates less
- Q4. Tell me about your project
- Q5. SQL questions
Interview Preparation Tips
Skills evaluated in this interview
I applied via Referral and was interviewed in Aug 2021. There was 1 interview round.
(1 Question)
- Q1. 1. Tell me about yourself. 2. Detailed discussion on M.Tech. Project. 3. Brief discussion over current company role and project. 4. You are directly communicating to customer and he/she need change in last...
Interview Preparation Tips
- Deep Learning
- Machine Learning
- Python
There are endless questions you can't predict what will be asked and what will not but the upper suggested questions will always be there.
All the very 👍
Selected
I applied via Approached by Company and was interviewed before Nov 2022. There were 3 interview rounds.
Data Science and Machine Learning MCQS
(1 Question)
- Q1. Tell me about this project mentioned in your resume
Interview Preparation Tips
Tell us how to improve this page.
Interview Questions for Popular Designations
- Data Science Intern Interview Questions
- Data Science Engineer Interview Questions
- Science Teacher Interview Questions
- Data Scientist Interview Questions
- TGT Science Interview Questions
- Data Science Consultant Interview Questions
- Social Science Teacher Interview Questions
- Data Science Manager Interview Questions
- Show more
Interview Questions from Similar Companies
|
HSE Officer
3
salaries
|  ₹4 L/yr - ₹7.8 L/yr |
Voltas
Thermax Limited
Kirloskar Electric Company
Siemens
Calculate your in-hand salary
- Home >
- Interviews >
- Conversion Electromechanical Co. LLC Interview Questions >
- Conversion Electromechanical Co. LLC Data Science Analyst Interview Questions
