there is algorithm that rates the posts according to the possibility to be spam. how would you check if the algorithm works?
Data Interview Questions
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Due to the NDA I had to sign, I will not mention key things. I was asked questions that tested my knowledge about SQL, business sense, and probability/math.
In Mexico, if you take the mean and the median age, which one will be higher and why?
If you draw 2 cards from a shuffled 52 card deck, what is the probability that you'll have a pair?
SQL Coding: 5 questions 4 tables were given and questions were mostly on joins, aggregate functions, sub queries. Python Coding: I guess there were total 5 questions but could reach only till second question. Count the number of words in a sentence. Count the frequency of words from the list and store the results in a hash map.
SQL - Q1. Find the IDs of the top 5 customers, ordered by average payment per book made by the people they invited.
How many orders of Fries does McDonald's sell in a year?
Python (1) Count "char" in the string. (2) Replace "None" in an array. Codes are simple but passing edge cases are difficult. SQL several % calculation questions
You have 24 hours, how would you measure what % of FB stories are fake news? How would you refine your process if you have more time?
Find max min avg of the order by date, customer, product, state. Coding was easy pretty much what people already posted here.
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