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First round - 1. One SQL question (use joins), 2. second coding ques (if you toss a coin n number of times, determine a minimum number of flips required to make them all the same. For eg., if you toss 5 times and the result is 3 heads and 2 tails then min flips to make it all same is 2 (turn all tails to heads) 3. third is an analysis ques in excel file where you have to analyze ice cream sales 4. fourth is a case study where you have to write methods you will use (AB testing, price elasticity etc.) Second round - 1. two maths ques a. two catalogs, small one has 75 pages cost $0.5, has a conversion rate of 3% and attracts a revenue of $250 out of which 25% is profit. Large one has 150 pages, cost $1 and attracts revenue of $260 out of which 25% is profit. Find conversion rate of the large catalog to make the same profit as of small ones. b. If the large catalog is used to market the products and additional expenses cost $90K, how many catalogs should be sent to make a profit of $150K. case study ques - how will you measure the success of a marketing campaign? ans - 1. use coupon codes, 2. see if a similar product is not getting affected (for eg two chairs black and red, if you advertise black its sales will increase but not for red) Onsite - 1. HR (30 mins) - a lot of "tell me about a time " ques... 2. Most complex problem ever solved (30 mins) - describe the toughest problem you solved 3. One hr of an equation study. It has 9 steps and is a time series equation that predicts stock in the inventory using the concept of moving averages. (there is a time series course on edx from MIT, just do that and you should be good)
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Business Intelligence Analyst

Interviewed at Wayfair

3.1★
Nov 24, 2018

First round - 1. One SQL question (use joins), 2. second coding ques (if you toss a coin n number of times, determine a minimum number of flips required to make them all the same. For eg., if you toss 5 times and the result is 3 heads and 2 tails then min flips to make it all same is 2 (turn all tails to heads) 3. third is an analysis ques in excel file where you have to analyze ice cream sales 4. fourth is a case study where you have to write methods you will use (AB testing, price elasticity etc.) Second round - 1. two maths ques a. two catalogs, small one has 75 pages cost $0.5, has a conversion rate of 3% and attracts a revenue of $250 out of which 25% is profit. Large one has 150 pages, cost $1 and attracts revenue of $260 out of which 25% is profit. Find conversion rate of the large catalog to make the same profit as of small ones. b. If the large catalog is used to market the products and additional expenses cost $90K, how many catalogs should be sent to make a profit of $150K. case study ques - how will you measure the success of a marketing campaign? ans - 1. use coupon codes, 2. see if a similar product is not getting affected (for eg two chairs black and red, if you advertise black its sales will increase but not for red) Onsite - 1. HR (30 mins) - a lot of "tell me about a time " ques... 2. Most complex problem ever solved (30 mins) - describe the toughest problem you solved 3. One hr of an equation study. It has 9 steps and is a time series equation that predicts stock in the inventory using the concept of moving averages. (there is a time series course on edx from MIT, just do that and you should be good)

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