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Data Analysts Interview Questions
49,390 data analysts interview questions shared by candidates
Do I want a bottle water?
I was asked if they were to call my previous employer and ask him if he was satisfied with me, what would his answer be?
Here's a SQL file that has NYT viewership by mode of device. The devices are "Laptop", "Tablet", and "Phone". I would like to know the viewership of "Laptop" compared to "Mobile" where "Mobile" is the sum of "Tablet" and "Phone". Write and SQL query that would execute this.
What would you do if 10% of a continuous variable on a dataset is missing?
e.g. Revenue falls by 10% what would do?
Tell me about your previous experiences.
How should we calculate conversion rates? What data should we need? Write the SQL to calculate it a various level.
What's the difference between an inner join, a left join and a right join?
how to calc new ,revived ,retained users on monthly basis using sql
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