What are the roles and responsibilities of a data scientist?
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How can you check if a data set or time series is random?
What is meant by sampling? Explain some sampling methods that you know?
Define some key performance indicators for the product
What is collaborative filtering in data science?
Do gradient descent methods always converge to the same point?
What is churn? How would it help predict and control churn for a customer?
Explain box cox transformation?
What are the various types of selection bias?
How do you treat missing values during analysis?
What is selection bias?
Explain types of statistical data?
What do you understand by the term data science?
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