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PwC Data Scientist Interview Questions, Process, and Tips

Updated 7 Nov 2024

Top PwC Data Scientist Interview Questions and Answers

PwC Data Scientist Interview Experiences

5 interviews found

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

I applied via Company Website and was interviewed in Apr 2024. There was 1 interview round.

Round 1 - Technical 

(1 Question)

  • Q1. Write a prompt to extract key Personal Identifiable Information given a resume
  • Ans. 

    Extracting key Personal Identifiable Information from a resume prompt

    • Look for information such as full name, address, phone number, email address, date of birth, and social security number

    • Utilize natural language processing techniques to identify patterns and structures in the text

    • Consider using regular expressions to match specific formats of personal information

    • Ensure data privacy and security measures are in place w

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Have a good hold over basic ML and DL concepts, and then go for more complex topics like LLMs

Data Scientist Interview Questions & Answers

user image Hemant Yadav

posted on 7 Nov 2024

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

I applied via Approached by Company and was interviewed in Oct 2024. There were 2 interview rounds.

Round 1 - Coding Test 

Combination logic on python

Round 2 - Technical 

(1 Question)

  • Q1. Explain classification
  • Ans. 

    Classification is a machine learning technique used to categorize data into different classes or categories based on past observations.

    • Classification involves training a model on labeled data to predict the class of new, unseen data points.

    • Common algorithms for classification include logistic regression, decision trees, support vector machines, and k-nearest neighbors.

    • Examples of classification tasks include spam email...

  • Answered by AI
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
No response

I applied via LinkedIn

Round 1 - HR 

(1 Question)

  • Q1. Why do you want to for PWC?

I applied via Job Portal and was interviewed in Aug 2022. There were 2 interview rounds.

Round 1 - Coding Test 

Coding Interview on Python for 15 minutes. Straight away to coding. Did one basic mistake first then others attended well. Basically from List operations, Pandas DF merging,concat etc.One simple pattern program etc.But no confimation yet from them

Round 2 - Technical 

(2 Questions)

  • Q1. List compehension example,List multiplications,Pandas merge,join,concat,some pattern program general;
  • Q2. List comprehension example, Pandas merging code etc

Interview Preparation Tips

Interview preparation tips for other job seekers - If you are in Data Scientist role practice more on operations of lists,tuples,strings and dicts.
Then Pandas functions you should be more clear

PwC interview questions for designations

 Data Analytics

 (1)

 Senior Data Analyst

 (1)

 Senior Analytics and Data Scientist

 (1)

 Analytics Consultant

 (1)

 Analytics Manager

 (1)

 Data Engineer

 (18)

 Data Analyst

 (15)

 Azure Data Engineer

 (3)

I applied via Recruitment Consulltant and was interviewed in Jul 2022. There was 1 interview round.

Round 1 - One-on-one 

(2 Questions)

  • Q1. How to find 2 nd largest number
  • Ans. 

    To find the 2nd largest number in an array, sort the array in descending order and return the element at index 1.

    • Sort the array in descending order

    • Return the element at index 1

  • Answered by AI
  • Q2. How to join two data frame
  • Ans. 

    Joining two data frames involves merging them based on a common column or index.

    • Use pandas merge() function to join data frames based on a common column or index.

    • Specify the column or index to merge on using the 'on' parameter.

    • Choose the type of join to perform using the 'how' parameter (e.g. inner, outer, left, right).

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - it was not very tough.Basic questions only they have asked

Skills evaluated in this interview

Interview questions from similar companies

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
4-6 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed in May 2024. There were 3 interview rounds.

Round 1 - Coding Test 

DSA was asked. And general coding language questions were asked. Previous experience based questions were asked.

Round 2 - Coding Test 

Machine Learning, Generative AI, Deep learning interview questions. 2 Coding problems based on Algorithms.

Round 3 - Technical 

(3 Questions)

  • Q1. One systems design question was there.
  • Q2. Situations based problems was there.
  • Q3. Questions on Past experiences.
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

It was on HackerRank

Round 2 - Case Study 

Building a reward points model.

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. ML, DL, Data Science, Python
Round 2 - Technical 

(1 Question)

  • Q1. AI,ML, Data Science, Use cases
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. About BER GPT and transformers
  • Q2. Natural language processing
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

Machine Learning, Metrics

PwC Interview FAQs

How many rounds are there in PwC Data Scientist interview?
PwC interview process usually has 1-2 rounds. The most common rounds in the PwC interview process are Technical, Coding Test and One-on-one Round.
How to prepare for PwC 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 PwC. The most common topics and skills that interviewers at PwC expect are Machine Learning, Python, Data Science, SQL and Analytical.
What are the top questions asked in PwC Data Scientist interview?

Some of the top questions asked at the PwC Data Scientist interview -

  1. Write a prompt to extract key Personal Identifiable Information given a res...read more
  2. how to find 2 nd largest num...read more
  3. how to join two data fr...read more

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PwC Data Scientist Interview Process

based on 3 interviews in last 1 year

Interview experience

4
  
Good

People are getting interviews through

based on 5 PwC interviews
Job Portal
Company Website
40%
20%
40% candidates got the interview through other sources.
Moderate Confidence
?
Moderate Confidence means the data is based on a sufficient number of responses received from the candidates
PwC Data Scientist Salary
based on 104 salaries
₹6 L/yr - ₹25 L/yr
At par with the average Data Scientist Salary in India
View more details

PwC Data Scientist Reviews and Ratings

based on 10 reviews

3.2/5

Rating in categories

4.1

Skill development

3.0

Work-Life balance

2.5

Salary & Benefits

3.9

Job Security

3.0

Company culture

2.5

Promotions/Appraisal

3.6

Work Satisfaction

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