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J&F Data Analyst Interview Questions and Answers

Updated 9 Aug 2021

J&F Data Analyst Interview Experiences

1 interview found

I applied via Campus Placement and was interviewed before Aug 2020. There were 6 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. List out some of the best practice for data cleaning.
  • Ans. 

    Data cleaning best practices

    • Remove duplicate records

    • Handle missing values

    • Standardize data formats

    • Correct inconsistent data

    • Validate data integrity

    • Remove outliers

    • Normalize data

    • Handle data inconsistencies

    • Ensure data accuracy

  • Answered by AI
  • Q2. Explain what is logistic regression?
  • Ans. 

    Logistic regression is a statistical method used to analyze and model the relationship between a categorical dependent variable and one or more independent variables.

    • It is a type of regression analysis used for predicting the probability of a categorical outcome

    • It is commonly used in binary classification problems

    • It uses a logistic function to model the relationship between the independent variables and the dependent v...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - If you are going for Interview in J&F as Fresher then its very difficult because its product based team and they dont usually hire from normal colleges. They hire from top tier colleges in NCR like IIT delhi and DCE. So even if you get selected you have long way to go for conversion. They do first round based on Aptitude and then give you one research task that you need to bring solution and based on your provided approach only you have chance for next step in technical discussion.

Skills evaluated in this interview

Interview questions from similar companies

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Monster and was interviewed before Apr 2023. There were 3 interview rounds.

Round 1 - Assignment 

Question are hard in panel

Round 2 - HR 

(3 Questions)

  • Q1. What is the current ctc
  • Ans. 

    I am currently earning a salary of $60,000 per year.

    • My current annual salary is $60,000

    • I am earning $5,000 per month

    • My total compensation package is $60,000

  • Answered by AI
  • Q2. What is the company name
  • Ans. 

    The company name is XYZ Corporation, a leading data analytics firm specializing in providing insights for businesses.

    • XYZ Corporation is a data analytics firm

    • Specializes in providing insights for businesses

  • Answered by AI
  • Q3. Gammon India Ltd
Round 3 - Case Study 

It is very good in study for
Further studies.

Interview Preparation Tips

Interview preparation tips for other job seekers - Good
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

Basic aptitude questions

Round 2 - Coding Test 

Coding questions hard level like matrix etc

Interview Preparation Tips

Interview preparation tips for other job seekers - do study hard

Data Analyst Intern Interview Questions & Answers

GMR Group user image sai pattabhi ram garuda 122010404015

posted on 12 Aug 2024

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Referral and was interviewed before Aug 2023. There was 1 interview round.

Round 1 - HR 

(2 Questions)

  • Q1. Based on your profile
  • Q2. Knowledge on Data analyst softwares
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I was interviewed in Aug 2024.

Round 1 - One-on-one 

(2 Questions)

  • Q1. What is Data sharding
  • Ans. 

    Data sharding is the process of splitting a database into smaller, more manageable parts called shards.

    • Data sharding helps distribute data across multiple servers to improve performance and scalability.

    • Each shard contains a subset of the data, allowing for parallel processing and faster query times.

    • Common sharding techniques include range-based sharding, hash-based sharding, and key-based sharding.

    • Examples of data shar...

  • Answered by AI
  • Q2. What is clustering
  • Ans. 

    Clustering is a technique used in data analysis to group similar data points together based on certain criteria.

    • Clustering is an unsupervised machine learning technique.

    • It is used to discover hidden patterns or groupings in data.

    • Common clustering algorithms include K-means, hierarchical clustering, and DBSCAN.

    • Example: clustering customers based on their purchasing behavior to identify different market segments.

  • Answered by AI
Interview experience
1
Bad
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Python question for data cleaning
  • Q2. Sql question on data manipulation
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. List, tuple Decorators
  • Q2. What is the process for removing duplicates from a list?
Interview experience
5
Excellent
Difficulty level
-
Process Duration
More than 8 weeks
Result
-

I applied via Naukri.com

Round 1 - HR 

(1 Question)

  • Q1. Introducing and personality
Round 2 - Group Discussion 

Technical questions about the Revit and MEP

Interview experience
1
Bad
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed before Jan 2023. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. Are you ready to relocate?
  • Q2. How good are you with draughting and 3D modelling?
  • Ans. 

    I am highly skilled in draughting and 3D modelling.

    • I have extensive experience in using CAD software for draughting and 3D modelling.

    • I am proficient in creating detailed technical drawings and 3D models.

    • I have successfully completed several projects involving complex draughting and 3D modelling tasks.

    • I am knowledgeable about industry standards and best practices in draughting and 3D modelling.

    • I continuously update my s...

  • Answered by AI

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
-
Process Duration
Less than 2 weeks
Result
Selected Selected
Round 1 - One-on-one 

(2 Questions)

  • Q1. How do you calculate the amount of material used in cubic meters?
  • Ans. 

    The amount of material used in cubic meters can be calculated by multiplying the length, width, and height of the object.

    • Calculate the volume of the object by multiplying the length, width, and height in meters.

    • The formula for calculating volume is: Volume = Length x Width x Height

    • For example, if a rectangular prism has dimensions of 2m x 3m x 4m, the volume would be 2m x 3m x 4m = 24 cubic meters.

  • Answered by AI
  • Q2. Water absorpation related
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J&F Interview FAQs

What are the top questions asked in J&F Data Analyst interview?

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  1. List out some of the best practice for data cleani...read more
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