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Koch Business Solutions Data Scientist Interview Questions and Answers

Updated 21 Mar 2023

Koch Business Solutions Data Scientist Interview Experiences

1 interview found

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed before Mar 2022. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Technical 

(2 Questions)

  • Q1. Deep dive into your DS projects and implementation. Some questions about MLOPS and cloud exposure. Basic ML questions
  • Q2. Gradient descent Linear regression Time series questions Lightgbm and xgboost
Round 3 - Technical 

(1 Question)

  • Q1. Time series question on ARIMA , ML approach to time series

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare well for the projects written in resume and also have an idea on the latest development in that area .

Interview questions from similar companies

Interview Questionnaire 

1 Question

  • Q1. What PCA, Decision tree and computer vision
  • Ans. 

    PCA is a dimensionality reduction technique, decision tree is a classification algorithm, and computer vision is a field of study focused on enabling computers to interpret and understand visual information.

    • PCA is used to reduce the number of variables in a dataset while retaining the most important information.

    • Decision trees are used to classify data based on a set of rules and conditions.

    • Computer vision involves usin...

  • Answered by AI

Skills evaluated in this interview

I applied via Company Website and was interviewed before Jan 2020. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Which job gives me do that work because of this job very important to me

Interview Preparation Tips

Interview preparation tips for other job seekers - No adive

I applied via Referral and was interviewed in Mar 2021. There were 4 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. What is data science
  • Ans. 

    Data science is the field of extracting insights and knowledge from data using various techniques and tools.

    • Data science involves collecting, cleaning, and analyzing data to extract insights.

    • It uses various techniques such as machine learning, statistical modeling, and data visualization.

    • Data science is used in various fields such as finance, healthcare, and marketing.

    • Examples of data science applications include fraud...

  • Answered by AI
  • Q2. What is phyton and R
  • Ans. 

    Python and R are programming languages commonly used in data science and statistical analysis.

    • Python is a general-purpose language with a large community and many libraries for data manipulation and machine learning.

    • R is a language specifically designed for statistical computing and graphics, with a wide range of packages for data analysis and visualization.

    • Both languages are popular choices for data scientists and hav...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Provide the tips how to face the interview

Skills evaluated in this interview

I applied via Job Portal and was interviewed in Jan 2021. There were 3 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. Basic Hypothesis Understanding !
  • Q2. Apache Spark and Data Frames

Interview Preparation Tips

Interview preparation tips for other job seekers - Ask clearly for job role they said data scientist but currently I am doing MLOPS

Interview Questionnaire 

1 Question

  • Q1. Please tell me something about yourself.What is your experience? What are your goals and ambitions?Why We should hire you? Strengths and weaknesses etc.

I applied via Campus Placement and was interviewed before Sep 2020. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Nothing much technical

Interview Preparation Tips

Interview preparation tips for other job seekers - 1. Go in formals
2. Fluency in English is important (depends on interview panel)
3. Clarity on what your talking about

Interview Questionnaire 

1 Question

  • Q1. Basic ML
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

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

Round 1 - Technical 

(3 Questions)

  • Q1. What is hypothesis testing
  • Ans. 

    Hypothesis testing is a statistical method used to make inferences about a population based on sample data.

    • It involves formulating a hypothesis about a population parameter, collecting data, and using statistical tests to determine if the data supports or rejects the hypothesis.

    • There are two types of hypotheses: null hypothesis (H0) and alternative hypothesis (H1).

    • Common statistical tests for hypothesis testing include...

  • Answered by AI
  • Q2. What is null hypothesis
  • Ans. 

    Null hypothesis is a statement that there is no significant difference or relationship between variables being studied.

    • Null hypothesis is typically denoted as H0 in statistical hypothesis testing.

    • It is the default assumption that there is no effect or relationship.

    • The alternative hypothesis (Ha) is the opposite of the null hypothesis.

    • For example, in a study testing a new drug, the null hypothesis would be that the drug...

  • Answered by AI
  • Q3. What is supervised and unsupervised learning
  • Ans. 

    Supervised learning uses labeled data to train a model, while unsupervised learning uses unlabeled data.

    • Supervised learning requires labeled data for training

    • Unsupervised learning does not require labeled data

    • Examples of supervised learning include classification and regression

    • Examples of unsupervised learning include clustering and dimensionality reduction

  • Answered by AI

Skills evaluated in this interview

Interview Questionnaire 

1 Question

  • Q1. Describe the project , EDA
  • Ans. 

    The project involved exploratory data analysis (EDA) to gain insights and identify patterns in the data.

    • Performed data cleaning and preprocessing

    • Visualized data using various charts and graphs

    • Identified correlations and relationships between variables

    • Used statistical methods to analyze data

    • Generated hypotheses for further analysis

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Depends on the interviewer

Skills evaluated in this interview

Koch Business Solutions Interview FAQs

How many rounds are there in Koch Business Solutions Data Scientist interview?
Koch Business Solutions interview process usually has 3 rounds. The most common rounds in the Koch Business Solutions interview process are Technical and Resume Shortlist.
How to prepare for Koch Business Solutions Data Scientist interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at Koch Business Solutions. The most common topics and skills that interviewers at Koch Business Solutions expect are Python, SQL, AWS, Machine Learning and Data Entry.
What are the top questions asked in Koch Business Solutions Data Scientist interview?

Some of the top questions asked at the Koch Business Solutions Data Scientist interview -

  1. Deep dive into your DS projects and implementation. Some questions about MLOPS ...read more
  2. Gradient descent Linear regression Time series questions Lightgbm and xgbo...read more
  3. Time series question on ARIMA , ML approach to time ser...read more

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Koch Business Solutions Data Scientist Interview Process

based on 1 interview

Interview experience

4
  
Good
View more
Koch Business Solutions Data Scientist Salary
based on 16 salaries
₹7.5 L/yr - ₹35 L/yr
40% more than the average Data Scientist Salary in India
View more details

Koch Business Solutions Data Scientist Reviews and Ratings

based on 2 reviews

1.3/5

Rating in categories

1.7

Skill development

3.0

Work-life balance

2.3

Salary

2.3

Job security

1.0

Company culture

1.0

Promotions

1.0

Work satisfaction

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