Google SQL Interview Question - Calculate Correlation Coefficient

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====== ✅ Details ======

🤔 "How would you calculate the correlation coefficient of two columns, x1 and x2, in the table?"

Here's a demonstration of how Dan, a former Google/PayPal data scientist, would approach an SQL problem that requires both statistical and SQL knowledge. This style of SQL question that requires statistical concepts is a fair game in many interviews across FAANGS and top startups.

Watch the video to see how Dan approaches this problem for your own SQL interview prep. Make sure to check out https://datainterview.com/ for more content!

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====== ⏱️ Timestamps ======

0:00 Intro
01:15 SQL problem
03:42 Solution walkthrough
17:10 Conclusion

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====== Connect ======

📗 LinkedIn - https://www.linkedin.com/in/danleedata/
📘 Medium - https://medium.com/datainterview

Видео Google SQL Interview Question - Calculate Correlation Coefficient канала DataInterview