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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

Facebook

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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Percentage Calculations6

Array Functions1

bball0

Date-Time Functions10

Mathematical Functions8

fun-run0

Aggregate Functions28

Ace the Data Science Interview15

Data Type Conversion10

Data Generation Functions0

Window Functions9

The-Office-SQL0

Set Operations7

Null Handling3

Conditional Expression12

Top N Results5

Control Flow Functions1

Existence Check6

Conditional Logic7

Common Table Expressions (CTE) or Subquery8

String Functions2

Distinct and Unique Handling8

User Behavior6