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C2fo Decision Scientist Interview Questions, Process, and Tips

Updated 26 Sep 2024

C2fo Decision Scientist Interview Experiences

1 interview found

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

I applied via LinkedIn and was interviewed before Sep 2023. There were 4 interview rounds.

Round 1 - Technical 

(5 Questions)

  • Q1. What is binomial distribution?
  • Ans. 

    Binomial distribution is a probability distribution that describes the number of successes in a fixed number of independent trials.

    • Describes the number of successes in a fixed number of independent trials

    • Each trial has only two possible outcomes (success or failure)

    • The trials are independent and the probability of success is constant

    • Examples: Coin toss (success = heads), Pass/fail exams, Yes/no surveys

  • Answered by AI
  • Q2. What is K-means clustering?
  • Ans. 

    K-means clustering is a popular unsupervised machine learning algorithm used for clustering data points into groups based on similarity.

    • Divides data points into K clusters based on similarity

    • Minimizes the sum of squared distances within each cluster

    • Requires specifying the number of clusters (K) beforehand

    • Iteratively assigns data points to the nearest cluster centroid

    • Commonly used in customer segmentation, image compres

  • Answered by AI
  • Q3. What is central limit theorem?
  • Ans. 

    Central Limit Theorem states that the sampling distribution of the sample mean approaches a normal distribution as the sample size increases.

    • Central Limit Theorem is a fundamental concept in statistics.

    • It states that the sampling distribution of the sample mean will be approximately normally distributed regardless of the shape of the population distribution.

    • As the sample size increases, the sampling distribution of the...

  • Answered by AI
  • Q4. A question on probability related to finding a blue stone out of a bag of x blue and x red stones something like that
  • Q5. 2 more aptitude questions.
Round 2 - Technical 

(4 Questions)

  • Q1. Past project explanation on predictive modeling
  • Ans. 

    Developed predictive model to forecast customer churn using machine learning algorithms

    • Collected and cleaned customer data from various sources

    • Performed feature engineering to create relevant predictors

    • Built and trained machine learning models such as logistic regression and random forest

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

    • Implemented the model in a production environment for r

  • Answered by AI
  • Q2. What is precision recall auc
  • Ans. 

    Precision-Recall AUC is a metric used to evaluate the performance of classification models, particularly in imbalanced datasets.

    • Precision-Recall AUC focuses on the trade-off between precision and recall for different threshold values.

    • It is particularly useful when dealing with imbalanced datasets where the positive class is rare.

    • A higher Precision-Recall AUC indicates better model performance in terms of precision and ...

  • Answered by AI
  • Q3. Coding on sql to find monthwise cumulative sum of something.
  • Ans. 

    Use SQL window function to calculate monthwise cumulative sum.

    • Use the SUM() function with OVER() clause to calculate cumulative sum.

    • Partition the data by month to get monthwise cumulative sum.

    • Order the data by date to ensure correct cumulative sum calculation.

  • Answered by AI
  • Q4. Fizzbuzz python coding question. Print fizz if 3, buzz if 5, fizzbuzz if the number is divisible by both 3 and 5.
Round 3 - Technical 

(5 Questions)

  • Q1. What is chi square test and when is it used
  • Ans. 

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

    • Chi square test is used to compare observed frequencies with expected frequencies in a contingency table.

    • It is commonly used in research to analyze data and determine if there is a relationship between two variables.

    • For example, it can be used to test if there is a significant difference in th...

  • Answered by AI
  • Q2. When is a z test used and when is t test used.
  • Ans. 

    Z test is used when sample size is large and population standard deviation is known. T test is used when sample size is small or population standard deviation is unknown.

    • Z test is used for hypothesis testing when sample size is large (n > 30) and population standard deviation is known.

    • T test is used when sample size is small (n < 30) or population standard deviation is unknown.

    • Z test is used for comparing means of two ...

  • Answered by AI
  • Q3. Clustering project explanation and clustering metrics used.
  • Ans. 

    Utilized K-means clustering to group customers based on purchasing behavior. Evaluated clusters using silhouette score and inertia.

    • Used K-means clustering algorithm to group customers into segments

    • Evaluated the quality of clusters using silhouette score and inertia

    • Silhouette score measures how similar an object is to its own cluster compared to other clusters

    • Inertia measures how tightly the clusters are packed together

    • ...

  • Answered by AI
  • Q4. How do you stay up to date with new analytical tools and techniques.
  • Ans. 

    I stay up to date with new analytical tools and techniques by attending workshops, online courses, reading research papers, and participating in industry conferences.

    • Attend workshops and training sessions on new tools and techniques

    • Take online courses and certifications to learn about the latest advancements

    • Read research papers and articles to stay informed about cutting-edge methods

    • Participate in industry conferences ...

  • Answered by AI
  • Q5. How do you manage time
  • Ans. 

    I prioritize tasks, use time management tools, set deadlines, and minimize distractions.

    • Prioritize tasks based on importance and deadlines

    • Use time management tools like calendars and to-do lists

    • Set specific deadlines for each task to stay on track

    • Minimize distractions by setting boundaries and creating a focused work environment

  • Answered by AI
Round 4 - HR 

(1 Question)

  • Q1. Cultural fitment round. Why did you leave previous company, salary expectations, etc etc.

Skills evaluated in this interview

Interview questions from similar companies

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 Resume tips
Round 2 - One-on-one 

(1 Question)

  • Q1. About experience and work profile
Round 3 - HR 

(1 Question)

  • Q1. About salary, position and working location

Interview Preparation Tips

Interview preparation tips for other job seekers - Great organization, No work pressure, Good incentive
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed before Oct 2022. There were 2 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Properly align and format text in your resume. A recruiter will have to spend more time reading poorly aligned text, leading to high chances of rejection.
View all Resume tips
Round 2 - One-on-one 

(2 Questions)

  • Q1. Are you comfortable working late hours?
  • Q2. Yes, Because I complete my work with dedication and commitment.

Interview Preparation Tips

Interview preparation tips for other job seekers - Be yourself.
Interview experience
4
Good
Difficulty level
Easy
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Referral and was interviewed before May 2023. There were 2 interview rounds.

Round 1 - Technical 

(1 Question)

  • Q1. Questions based on MS Excel only and provide 1 assignment for data analysis.
Round 2 - Technical 

(1 Question)

  • Q1. Again easy questions on MS Excel like; Vlookup, pivot, summarize, sumif, etc

Interview Preparation Tips

Topics to prepare for Indifi Technologies Business Analyst interview:
  • MS excel
  • SQL
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Referral and was interviewed before Dec 2023. There were 2 interview rounds.

Round 1 - HR 

(2 Questions)

  • Q1. What is the difference between secured and unscured loan
  • Ans. 

    Secured loans are backed by collateral, while unsecured loans are not.

    • Secured loans require collateral to secure the loan, such as a house or car

    • Unsecured loans do not require collateral and are based on the borrower's creditworthiness

    • Secured loans typically have lower interest rates due to the lower risk for the lender

    • Examples of secured loans include mortgages and auto loans, while credit cards and personal loans are

  • Answered by AI
  • Q2. How many types of loans are there.
  • Ans. 

    There are several types of loans including personal loans, home loans, auto loans, student loans, and business loans.

    • Personal loans

    • Home loans

    • Auto loans

    • Student loans

    • Business loans

  • Answered by AI
Round 2 - Technical 

(2 Questions)

  • Q1. What are the basic documents required to process a Business loan.
  • Ans. 

    Basic documents for a business loan include financial statements, business plan, credit history, and personal identification.

    • Financial statements (income statement, balance sheet, cash flow statement)

    • Business plan outlining the purpose of the loan and how it will be used

    • Credit history of the business and its owners

    • Personal identification documents (such as driver's license or passport)

    • Collateral documents (if applicabl

  • Answered by AI
  • Q2. What is 15% of 2 lakhs.
  • Ans. 

    15% of 2 lakhs is 30,000.

    • Calculate 15% of 2 lakhs by multiplying 2,00,000 by 0.15

    • 15% of 2 lakhs = 2,00,000 * 0.15 = 30,000

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - I would recommend to experince working with Indifi. This is a Great place to work.
Interview experience
3
Average
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via LinkedIn and was interviewed before Oct 2022. There were 2 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 Resume tips
Round 2 - One-on-one 

(3 Questions)

  • Q1. Tell me something about yourself
  • Q2. Situation based qiestions
  • Q3. What do you know about this company
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I was interviewed before Mar 2024.

Round 1 - Technical 

(3 Questions)

  • Q1. Filtering methods in pandas?
  • Q2. Make simple function to create new columns by using existing multiple other fields.
  • Q3. Write a simple SQL query for department wise budget?
Round 2 - Case Study 

How to improve credit model in order to increase sales growth of the organization?

Round 3 - HR 

(2 Questions)

  • Q1. Related to relocation?
  • Q2. Why you want to chnage current organization?
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Recruitment Consulltant and was interviewed before Jan 2023. There were 2 interview rounds.

Round 1 - One-on-one 

(1 Question)

  • Q1. Mostly revolves around SQL, A bit of python and in that also specially pandas and might be a bit of excel
Round 2 - Technical 

(1 Question)

  • Q1. SQL a bit advanced, Pandas and Python, and around your projects some time and if you mentioned ML then some questions around it mostly logistic regression,random foresr

Interview Preparation Tips

Interview preparation tips for other job seekers - Be ready with SQL and Pandas along with some excel
In ML logistic regression and random forest mostly asked
Interview experience
4
Good
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Referral and was interviewed in Oct 2022. There was 1 interview round.

Round 1 - HR 

(2 Questions)

  • Q1. Tell me about yourself
  • Q2. Can you relocate to Gurgaon
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

The aptitude round consists of approx 20 q's, out of which half the q's were based on LR and aptitude and half based on computer fundamentals.

Round 2 - Coding Test 

The coding test consisted of 4 q's. The selection criteria was to complete at least 3 q's.

Round 3 - Technical 

(2 Questions)

  • Q1. Tell me something about yourself
  • Ans. 

    I am a passionate software engineer with experience in developing web applications using various technologies.

    • Experienced in developing web applications using HTML, CSS, JavaScript, and frameworks like React and Angular

    • Proficient in backend development with Node.js and databases like MongoDB and MySQL

    • Familiar with version control systems like Git and project management tools like Jira

  • Answered by AI
  • Q2. Questions on React.js, as i had build projects using react.js.
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C2fo Interview FAQs

How many rounds are there in C2fo Decision Scientist interview?
C2fo interview process usually has 4 rounds. The most common rounds in the C2fo interview process are Technical and HR.
What are the top questions asked in C2fo Decision Scientist interview?

Some of the top questions asked at the C2fo Decision Scientist interview -

  1. How do you stay up to date with new analytical tools and techniqu...read more
  2. When is a z test used and when is t test us...read more
  3. What is chi square test and when is it u...read more

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C2fo Decision Scientist Interview Process

based on 1 interview

Interview experience

5
  
Excellent
View more

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C2fo Decision Scientist Salary
based on 4 salaries
₹15 L/yr - ₹20.8 L/yr
89% more than the average Decision Scientist Salary in India
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