Amazon Business Intelligence Engineer Online Assessment - 60 minutes through hirepro.in platform.
- Statistics (10q : 10 or 15 mins)
- Basic Probability and Distributions.
- Dashboarding (5q : 5mins)
- Tableau only.
- mostly on kinds of charts available and best charts for category/numerical, etc.
- SQL (4q : 20 or 25 mins)
- MySQL only, no Window functions such as RANK, DENSE_RANK, etc. allowed.
- 1-2 table joins.
- mostly on SUM, COUNT and other aggregate functions.
- Offcourse, with GROUP BY and HAVING.
- Python/R (2q : 20 mins)
- Second largest and second smallest number in a given array.
- Reverse digits in the start and end of a string, leaving the middle letters intact, for example, given input: 123abc456 expected output: 321abc654
Good Luck!