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Ripik.ai Data Scientist Interview Questions, Process, and Tips

Updated 18 Oct 2023

Ripik.ai Data Scientist Interview Experiences

1 interview found

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
-
Result
-

I appeared for an interview in Apr 2023.

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 

(4 Questions)

  • Q1. Q. What is Bagging and Boosting?
  • Ans. 

    Bagging and Boosting are ensemble learning techniques used to improve the performance of machine learning models.

    • Bagging (Bootstrap Aggregating) involves training multiple models on different subsets of the training data and combining their predictions through averaging or voting.

    • Random Forest is an example of a bagging algorithm where decision trees are trained on random subsets of the data.

    • Boosting focuses on trainin...

  • Answered by AI
  • Q2. Q. What are Hyperparameters? What is Hyperparameter tuning?
  • Ans. 

    Hyperparameters are parameters that are set before the learning process begins. Hyperparameter tuning is the process of selecting the best hyperparameters for a machine learning model.

    • Hyperparameters are not learned during the training process, but are set before training begins.

    • Examples of hyperparameters include learning rate, number of hidden layers in a neural network, and regularization strength.

    • Hyperparameter tun...

  • Answered by AI
  • Q3. What is covariance and colinearity?
  • Ans. 

    Covariance measures the relationship between two variables, while colinearity refers to the situation where two or more predictors in a multiple regression model are highly correlated.

    • Covariance is a measure of how two variables change together. A positive covariance indicates that the variables tend to increase or decrease together, while a negative covariance indicates that one variable tends to increase as the other...

  • Answered by AI
  • Q4. What is Chi-square test?
  • Ans. 

    Chi-square test is a statistical test used to determine if there is a significant association between two categorical variables.

    • Used to compare observed data with expected data based on a hypothesis

    • Calculates the difference between observed and expected frequencies

    • Commonly used in research studies to analyze relationships between variables

  • Answered by AI

Skills evaluated in this interview

Data Scientist Jobs at Ripik.ai

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Interview questions from similar companies

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 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

I applied via Recruitment Consultant and was interviewed in Sep 2020. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Machine learning concepts[Regression and classification] ,Python and Sql Basics

Interview Preparation Tips

Interview preparation tips for other job seekers - Cool

Interview Questionnaire 

1 Question

  • Q1. First Round: Basic Statistics, Basic Python Programming, Past Projects. Second Round: Past Projects, Questions from computer vision, NLP, SQL, Basic Python.

I applied via Naukri.com and was interviewed in Jul 2021. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Project Discussion… Question on Machine Learning algorithms, Stats, Sql

Interview Preparation Tips

Interview preparation tips for other job seekers - The interview was easy. Just go through the basics.

I applied via Approached by Company and was interviewed before Sep 2021. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Don’t add your photo or details such as gender, age, and address in your resume. These details do not add any value.
View all tips
Round 2 - Aptitude Test 

Explain dynamic programming with memoization

Round 3 - HR 

(2 Questions)

  • Q1. Where are you from, and why are you joining the company
  • Q2. Why are you joining the company

Interview Preparation Tips

Interview preparation tips for other job seekers - First, they will ask about the breadth of your ML skills and the depth going forward

I applied via Campus Placement

Interview Questionnaire 

1 Question

  • Q1. 1)Tell me about yourself 2)explain about your projects 3) what is covariance,ttest, normal distribution, sampling distribution?

Interview Preparation Tips

Interview preparation tips for other job seekers - This interview was a technical one. It lasted for about 45 minutes. The interviewer wanted to test both my knowledge and communication skills. Most of the questions asked to me were related to my B.sc (statistics).He asked on the basics related to my project topic and some current affairs based on my field.Luckily I was able to answer most of the questions. I tried to answer each question with examples. It was my first oncampus interview, and I think I did well for a fresher. You need to stay calm. Please go through the job description and recheck your resume to ensure that you are a best-fit for the position.

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

Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Naukri.com and was interviewed in Jul 2024. There were 2 interview rounds.

Round 1 - One-on-one 

(3 Questions)

  • Q1. Tell me about yourself?
  • Ans. 

    I am a data scientist with a background in statistics and machine learning, passionate about solving complex problems using data-driven approaches.

    • Background in statistics and machine learning

    • Experience in solving complex problems using data-driven approaches

    • Passionate about leveraging data to drive insights and decision-making

  • Answered by AI
  • Q2. Describe in detail about one of my main project.
  • Ans. 

    Developed a predictive model for customer churn in a telecom company.

    • Collected and cleaned customer data including usage patterns and demographics.

    • Used machine learning algorithms such as logistic regression and random forest to build the model.

    • Evaluated model performance using metrics like accuracy, precision, and recall.

    • Implemented the model into the company's CRM system for real-time predictions.

  • Answered by AI
  • Q3. Few questions related to my projects.
Round 2 - Technical 

(1 Question)

  • Q1. Questions on Basics python(Since i am fresher)

Interview Preparation Tips

Interview preparation tips for other job seekers - Overall, it was a good experience for me. Very friendly interviewers. I couldn't make it after the second round. I came to know where I was lacking.

Ripik.ai Interview FAQs

How many rounds are there in Ripik.ai Data Scientist interview?
Ripik.ai interview process usually has 2 rounds. The most common rounds in the Ripik.ai interview process are Resume Shortlist and Technical.
How to prepare for Ripik.ai 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 Ripik.ai. The most common topics and skills that interviewers at Ripik.ai expect are Data Science, Python, Machine Learning, Tableau and Artificial Intelligence.
What are the top questions asked in Ripik.ai Data Scientist interview?

Some of the top questions asked at the Ripik.ai Data Scientist interview -

  1. Q. What are Hyperparameters? What is Hyperparameter tuni...read more
  2. Q. What is Bagging and Boosti...read more
  3. What is covariance and colineari...read more

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Ripik.ai Data Scientist Interview Process

based on 1 interview

Interview experience

3
  
Average
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Ripik.ai Data Scientist Salary
based on 6 salaries
₹12 L/yr - ₹26.5 L/yr
15% more than the average Data Scientist Salary in India
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2.0/5

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3.0

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Work-life balance

4.0

Salary

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Job security

1.0

Company culture

3.0

Promotions

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Work satisfaction

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GenAI - Data Scientist

Noida

2-4 Yrs

Not Disclosed

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