## Affine Analytics Interview Questions

**Company** – Affine Analytics**Location** – Bangalore**Position** – Senior Business Analyst**Experience** – 3+ years**Compensation** – Best in the industry

Number of Rounds – 4

I received a call from the Technical HR who scheduled the telephonic round for the next day**Round** **1** – Telephonic Round (Mostly SQL and Project)

I was asked to introduce myself and then the discussion went towards my recent project at Mu Sigma. We had a good discussion on Regression Techniques, a bit on statistics.

The project description was followed by few questions on SQL (the answers to these questions are present in various articles on the website, links are at the end of the interview)**1. What is the order of SQL query execution?**

2. You have two tables with one column each. The table A has 5 values and all the values are 1 i.e. 1,1,1,1,1 and Table B has 3 values and all the values are 1 i.e. 1,1,1.

How many rows will be there if we do the following

1. Left Join

2. Right Join

3. Inner Join

Answer:

http://thedatamonk.com/day-4-sql-intermediate-questions/

3. **A quick guesstimate on number of Iphones sold in India per year**

Hint in the below link – http://thedatamonk.com/guesstimate-3-what-are-the-number-of-smartphones-sold-in-india-per-year/**4.** **What is a RANK() function? How is it different from ROW_NUMBER()?****5. How to fetch only even rows from a table?**

Link to Question 4 and 5 – http://thedatamonk.com/day-11-sql-tricky-questions/**6. What are the measures of Central Tendency**

http://thedatamonk.com/day-14-basic-statistics/

The telephonic round went for around 1 hour:-**Introduction –** 10 minutes**Project –** 30 minutes**Questions –** 20 minutes

I was shortlisted for the further rounds.

All together the face-to-face interviews were divided into 3 rounds**Round 1 – **SQL and R/Python**Round 2 –** Statistics **Round 3 –** Case Study and HR questions**Round 1**

There were ~20 questions on SQL and some questions on Language.

Below are the questions which I remember:-

1. **Optimising a SQL code**

2. **Doing a sum on a column with Null values**

Hint – Use Coalesce

3. **How to find count of duplicate rows?**

4. **Use of Lag function**

Link – http://thedatamonk.com/day-5-sql-advance-concepts/

5. **Life cycle of a project**

6. **How to find the second minimum salary?**

7. **How to get 3 Min salaries?**

8. **DDL, DML, and DCL commands**http://thedatamonk.com/day-13-sql-theoretical-questions/

There were few more questions on Joins and optimising inner query codes.

Overall difficulty level- 8/10

There were 5 questions on Python/R –

Loading a csv/text file

Writing code of Linear Regression (As it was mentioned on my resume)

Doing a right join in either of the language

Removing null value from a column

**Round 3 – Statistics**

**How to calculate IQR?**

**What is positive skewness and negative skewness?**

**What are the two types of regression?**

**What is multiple linear regression?**

**What is Logistic Regression?**

**What is p-value and give an example?**

These questions were discussed in detail and I power the explanation with real life examples.

http://thedatamonk.com/day-18-statistics-interview-questions/

Bonus tips – Do look for good examples

**Round 4 –**Case Study and HR Questions

**How many laptops are sold in Bangalore in a Day ?**

http://thedatamonk.com/guesstimate-2-how-many-laptops-are-sold-in-bangalore-in-a-day/

Business Case Study – There is a mobile company which is very popular in Other Asian countries. The company is planning to open it’s branch in the most popular mall of Bangalore.

What should be the strategy of the company?

How can you use freely available data to plan the marketing of the campaigns?

How can you use Digital marketing to create campaigns for the company?

These questions were followed by:-

Why do you want to change the company?

How is the work in your current organisation?

I got the confirmation in 2 working days.

This was it

Amazon Interview Questions

Sapient Interview Questions

Full interview question of these round is present in our book What do they ask in Top Data Science Interview Part 2: Amazon, Accenture, Sapient, Deloitte, and BookMyShow

You can get your hand on our ebooks, we also have a 10 e-book bundle offer at Rs.549 where you get a total of 1400 questions. **Comment below or mail at contact@thedatamonk.com for more information**

1. The Monk who knew Linear Regression (Python): Understand, Learn and Crack Data Science Interview

2. 100 Python Questions to crack Data Science/Analyst Interview

3. Complete Linear Regression and ARIMA Forecasting project using R

4. 100 Hadoop Questions to crack data science interview: Hadoop Cheat Sheet

5. 100 Questions to Crack Data Science Interview

6. 100 Puzzles and Case Studies To Crack Data Science Interview

7. 100 Questions To Crack Big Data Interview

8. 100 Questions to Learn R in 6 Hours

9. Complete Analytical Project before Data Science interview

10. 112 Questions To Crack Business Analyst Interview Using SQL

11. 100 Questions To Crack Business Analyst Interview

12. A to Z of Machine Learning in 6 hours

13. In 2 Hours Create your first Azure ML in 23 Steps

14. How to Start A Career in Business Analysis

15. Web Analytics – The Way we do it

16. Write better SQL queries + SQL Interview Questions

17. How To Start a Career in Data Science

18. Top Interview Questions And All About Adobe Analytics

19. Business Analyst and MBA Aspirant’s Complete Guide to Case Study – Case Study Cheatsheet

20. 125 Must have Python questions before Data Science interview

21. 100 Questions To Understand Natural Language Processing in Python

22. 100 Questions to master forecasting in R: Learn Linear Regression, ARIMA, and ARIMAX

23. What do they ask in Top Data Science Interviews

24. What do they ask in Top Data Science Interviews: Part 1

Keep Learning

## Leave a reply