What is the goal of A/B Testing?


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More Data Science Interview Questions

Please explain the role of data cleaning in data analysis.

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What is an rdbms? Name some examples for rdbms? What is crud?

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What is the k-means clustering method?

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How would you add value to the company through your projects?

0 Answers   Mu Sigma,


How do you take millions of users with 100's of transactions each, amongst 10000's of products and group the users together in a meaningful segments?

0 Answers   Apple,






How can you assess a good logistic model?

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while working on a data set, how can you select important variables? Explain

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What does the future hold for data scientists?

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What is nosql? Name some examples of nosql databases. What is a key value store? What is column storage? What is a document database?

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Burn two ropes, one needs 60 minutes of time to burn and the other needs 30 minutes of time. How will you achieve this in 45 minutes of time ?

0 Answers   Citi Bank,


Explain supervised learning?

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Explain the difference between a test set and a validation set?

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