# LinkedIn | August 2021

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AnonymousNovember 2, 2021, 11:57 AM
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Location: Singapore, Singapore

Role: Data Scientist

Level: Mid-Level

Outcome: Declined Offer

When did you have this interview?: 3 Months Ago

Data Manipulation (20 Minutes)

Our team looks for candidates who can manipulate and analyze data for extracting insights. You will be working on SQL tables – demonstrating basic data manipulation skills (e.g. inner join, left join, etc.) Here is a link to SQL, Python and R syntax guides to help you brush up your coding basics. Additionally, you may be asked to demonstrate an ability to script/model in either Python or R if you have experience in this.

Problem Solving (25 Minutes)

They will ask you problem-solving questions with a LinkedIn business case study that requires a structured approach. You will be measured on the framework, assumptions, and communication in solving these problems. Please go into details on the analytical approach and steps that lead to the conclusions.

Tip #1: Make sure to break down a complicated problem into components. Tip #2: For analytical thinking, cover multiple aspects of the product and their tradeoffs. Tip #3: Communicate and present the solution thoroughly.

Basic Statistics (5 Minutes) Testing on basic stats concepts (e.g. hypothesis testing, mean, variance, probability distributions, sample size calculation, power calculation) and how to apply them in a business setting. These 5 minutes are meant to assess your knowledge of probability.

What kind of technical questions did you get asked?

Member | Company | Year_start |

1 | Google | 2011

1 | FB | 2012

1 | Netflix | 2017

2 | Linkedin | 2011

2 | FB | 2015

2 | Google | 2020

3 | Linkedin | 2014

3 | FB | 2020

• The above table shows the transition of member on LinkedIn across different companies .. assuming there’s no overlapping of year

• What is the number of member moving from google to Facebook?

• What is the number of member moving from google right after Facebook?

• Which is the most popular company ?

Data Scientist
I
Ichimoku
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Ichimoku
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Fibonacci
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