Product sense part 4 : (fraud case) How would you test the causality for the KPI you mentioned
Data Scientist Trainee Interview Questions
54,416 data scientist trainee interview questions shared by candidates
[SQL] Given a table with logs of interactions with posts (share, like, comment, report), how many posts were marked as spam?
NDA SQL, Products, Experimentation
Technical questions that were more reminiscent of entry-level positions.
How to count unique elements in a column of a table?
1. FB has hired raters to rate ads. 80% are careful rates and rate 60% of the ads as good and 40% as bad, 20% are lazy raters and rate 100% ads as good. What is the probability that an ad is rated good? Given that 3 ads have been rated as good, what is the probability that they were rated by a lazy rater? Given that n ads have been rated as good, what is the probability that they were rated by a lazy rater? You want to classify raters as careful/lazy, how would you do that using all the probabilities and ideas discussed above (open ended question)?
Given an array of integer intervals (from a_i to b_i), determine the value of x such that x is within the maximum number of intervals.
How have you dealt with stressful situations on the job in the past?
Take home challenge - they focus on delivery time, rigor of solution and beating a given score. On site - was as described, took about 3 hours and at the end had to present the approach, results and answer questions related to them.
Name a time you wanted something from a superior and weren't able to get it
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