Sources to Prepare for Guesstimates and Case Studies

A case interview is part of the job interview process in consulting in which you as the candidate have to analyze and solve a problematic business scenario while interacting with the interviewer. A guesstimate, on the other hand, is a solution based on a mixture of guesswork and calculation. Using both these, recruiters will push you to your limits, put you into unconventional situations and force you to think on your feet. Here is a list of some comprehensive sources that will prove to be your best friend in acing these critical thinking rounds.

1. Street of walls

(http://www.streetofwalls.com/finance-training-courses/consulting-case-study-training/consulting-guesstimate-cases/)

This site has it all, representative examples of Guesstimate cases, Step-by-step approach to guesstimate questions and key points to keep in mind when answering those questions. If you want to ace guesstimate case studies, this site will be a definite boon.

2. Analytics Vidhya

(https://www.analyticsvidhya.com/blog/2014/01/tips-crack-guess-estimate-case-study/)

They have penned down a comprehensive 7-step framework so that you can learn the various aspects, tips and tricks to crack your next data science interview. By the way of posing questions and using flow charts, their guide to guesstimate cases is a thorough one.

3. Soumya Gupta

(https://soumyagupta.in/how-to-approach-guesstimates-76344ad1fafe)

Apart from solving case studies with a formulated approach, this site offers useful links to information such as what ot to do in guesstimates or useful numbers and formulae for guesstimates & market sizing.

4. https://data.gov.in/

If you can dream it, this resource has it. This is a government of India initiative, and it has data, a lot of it. This site has data from about 413191 resources and 8564 catalogues, pertaining to about 173 departments. So this is an accurate guide for all your data needs.

5. Guesstimation – Solving the World`s Problems on the Back of a Cocktail Napkin

Lawrence Weinstein and John A Adam, present an eclectic array of estimation problems that range from devilishly simple to quite sophisticated and from serious real-world concerns to downright silly ones. How long would it take a running faucet to fill the inverted dome of the Capitol? What is the total length of all the pickles consumed in the US in one year? What are the relative merits of internal-combustion and electric cars, of coal and nuclear energy? The problems are marvelously diverse, yet the skills to solve them are the same.

6. Preplounge

(https://www.preplounge.com/en/case-interview)

The source has a library of about 140+ real life case studies to help you prepare for the case study rounds. The tips contained here are compiled by their most experienced consultants and will bring you closer to a job in consulting. You will need to invest a vast amount of time into preparation, there is simply no way around it, but with the help of their tips you can make your case preparation as efficient and effective as possible.

7. My Consulting Coach

(https://www.myconsultingcoach.com/case-interview)

This site looks into the intricate details, like what format does a consulting case interview take or what is expected of you and how will you be assesed? Also, it helps with fundamentals, problem driven structures and building blocks.

8. The Company site

More often than not, the company in which you're applying itself gives useful insight into what their interview round will entail. It's useful to scour for resources here since this will be an accurate and direct description into what exactly they're looking for.