Uploaded June 2022 | Updated September 2026, 56 minutes ago
In this video, we'll take a close look at a data science mock interview, with one of the hard Salesforce interview questions to find the retention rates of users. We’ll go over the entire interview process, all the questions, clarifications, additional questions as well as edge cases, and showcase how to handle and answer them.
Link to the questions: platform.stratascratch.com/coding/2053-retention-rate?code_type=1&utm_source=blog&utm_medium=click&utm_campaign=YT+description+link
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👉 Subscribe to my channel: bit.ly/2GsFxmA
👉 Playlist for more data science interview questions and answers: bit.ly/3jifw81
👉 Playlist for data science interview tips: bit.ly/2G5hNoJ
👉 Practice more real data science interview questions: platform.stratascratch.com/coding?utm_source=youtube&utm_medium=click&utm_campaign=YT+description+link
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Timeline:
Intro: (0:00)
Question: (00:16)
Solution: Approach: (00:52)
Solution: Assumptions: (02:12)
Solution: Breakdown: (04:30)
Solution: Code Execution (07:32)
Edge Case Consideration (14:55)
Edge Case First Approach (15:53)
Edge Case Second Approach (16:54)
Conclusion: (19:20)
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About The Platform:
I'm using StrataScratch (platform.stratascratch.com/coding?utm_source=youtube&utm_medium=click&utm_campaign=YT+description+link), a platform that allows you to practice real data science interview questions. There are over 1000+ interview questions that cover coding (SQL and python), statistics, probability, product sense, and business cases.
So, if you want more interview practice with real data science interview questions, visit platform.stratascratch.com/coding?utm_source=youtube&utm_medium=click&utm_campaign=YT+description+link. All questions are free and you can even execute SQL and python code in the IDE, but if you want to check out the solutions from me or from other users, you can use ss15 for a 15% discount on the premium plans.
______________________________________________________________________
Contact:
If you have any questions, comments, or feedback, please leave them here!
Feel free to also email me at nathan@stratascratch.com
______________________________________________________________________
In this video, we'll take a close look at a data science mock interview, with one of the hard Salesforce interview questions to find the retention rates of users. We’ll go over the entire interview process, all the questions, clarifications, additional questions as well as edge cases, and showcase how to handle and answer them.
Link to the questions: platform.stratascratch.com/coding/2053-retention-rate?code_type=1&utm_source=blog&utm_medium=click&utm_campaign=YT+description+link
______________________________________________________________________
👉 Subscribe to my channel: bit.ly/2GsFxmA
👉 Playlist for more data science interview questions and answers: bit.ly/3jifw81
👉 Playlist for data science interview tips: bit.ly/2G5hNoJ
👉 Practice more real data science interview questions: platform.stratascratch.com/coding?utm_source=youtube&utm_medium=click&utm_campaign=YT+description+link
______________________________________________________________________
Timeline:
Intro: (0:00)
Question: (00:16)
Solution: Approach: (00:52)
Solution: Assumptions: (02:12)
Solution: Breakdown: (04:30)
Solution: Code Execution (07:32)
Edge Case Consideration (14:55)
Edge Case First Approach (15:53)
Edge Case Second Approach (16:54)
Conclusion: (19:20)
______________________________________________________________________
About The Platform:
I'm using StrataScratch (platform.stratascratch.com/coding?utm_source=youtube&utm_medium=click&utm_campaign=YT+description+link), a platform that allows you to practice real data science interview questions. There are over 1000+ interview questions that cover coding (SQL and python), statistics, probability, product sense, and business cases.
So, if you want more interview practice with real data science interview questions, visit platform.stratascratch.com/coding?utm_source=youtube&utm_medium=click&utm_campaign=YT+description+link. All questions are free and you can even execute SQL and python code in the IDE, but if you want to check out the solutions from me or from other users, you can use ss15 for a 15% discount on the premium plans.
______________________________________________________________________
Contact:
If you have any questions, comments, or feedback, please leave them here!
Feel free to also email me at nathan@stratascratch.com
______________________________________________________________________
![Meta Product Families: head() Function to Explore the Data [Part 1]](https://i.ytimg.com/vi/9quwCoQ6CoU/mqdefault.jpg "Meta Product Families: head() Function to Explore the Data [Part 1]
If youre looking for help working with a dataset, then this video is for you! Well be using the head() function to explore the data in the Meta Product Families interview question, so that you can find out any missing values.
Part 2: https://www.youtube.com/shorts/yoUO84tOH3c
Go to the question through the link below and follow along with me👇
Link to the question: https://platform.stratascratch.com/coding/2123-product-families?code_type=1&utm_source=youtube&utm_medium=click&utm_campaign=YT+description+link
👉 Watch the full video: https://youtu.be/RmMuS5iiviI
👉 Subscribe to my channel: https://bit.ly/2GsFxmA
👉 Playlist for more data science interview questions and answers: https://bit.ly/3jifw81
👉 Playlist for data science interview tips: https://bit.ly/2G5hNoJ
👉 Practice more real data science interview questions: https://platform.stratascratch.com/coding?utm_source=youtube&utm_medium=click&utm_campaign=YT+description+link
About The Platform:
Im using StrataScratch (https://platform.stratascratch.com/coding?utm_source=youtube&utm_medium=click&utm_campaign=YT+description+link), a platform that allows you to practice real data science interview questions. There are over 1000+ interview questions that cover coding (SQL and python), statistics, probability, product sense, and business cases.
So, if you want more interview practice with real data science interview questions, visit https://platform.stratascratch.com/coding?utm_source=youtube&utm_medium=click&utm_campaign=YT+description+link. All questions are free and you can even execute SQL and python code in the IDE, but if you want to check out the solutions from me or from other users, you can use ss15 for a 15% discount on the premium plans.
Contact:
If you have any questions, comments, or feedback, please leave them here!
Feel free to also email me at nathan@stratascratch.com
#DataAnalytics #PythonInterviewQuestions #Stratascratch")
