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Data Science Interview Questions

Practice the most common SQL, Statistics, and ML questions which show up in FAANG Data Science & Data Analyst interviews!

CompanyTitleCategoryDifficultyStatus

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Page With No Likes

SQLEasy

Facebook

Coin Fairness Test

StatisticsEasy

Facebook

Average Post Hiatus (Part 1)

SQLEasy

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App Click-through Rate (CTR)

SQLEasy

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Active User Retention

SQLHard

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Advertiser Status

SQLHard

Facebook

Product vs. Square

StatisticsHard

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Calculate Rates7

Array Functions2

Minimum/Maximum4

Date-Time Operations13

Mathematical Functions3

Aggregations24

Ace the Data Science Interview15

Type Conversion12

Categorize Data15

Window Functions12

Top X5

Existence Check5

Cumulative Sums0

SQL Series1

Conditional Aggregation8

String Functions2

Unique Results8

User Behavior5